All interpreters agree that the empires or world powers denoted by the various parts of the great image in Dan. 2:31–45 and by the four beasts from the sea (Dan. 7) are the same.
The Revelation of Daniel the Prophet
The Book of Daniel
Although the shortest of the major prophets, Daniel is referred to in New Testament prophetic passages more than any other Old Testament book. It also contains more fulfilled prophecies than any other book in the Bible." - Max Anders; Kenneth Gangel