Finding the Fourth Proportional to 4,689,929.45, 6,466,963.16 and 3,055,305.51
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Solution
The fourth proportional to 4,689,929.45, 6,466,963.16 and 3,055,305.51 is: 4,212,973.43
Step by Step Solution
- Step 1: Write the proportion equation
4,689,929.45 : 6,466,963.16 = 3,055,305.51 : x - Step 2: Convert to fraction form
4,689,929.45/6,466,963.16 = 3,055,305.51/x - Step 3: Cross multiply
4,689,929.45x = 6,466,963.16 × 3,055,305.51 - Step 4: Simplify right side
4,689,929.45x = 19,758,548,175,715.01 - Step 5: Solve for x
x = 19,758,548,175,715.01/4,689,929.45 - Step 6: Final answer
x = 4,212,973.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.