Finding the Fourth Proportional to 4,692,778.97, 6,472,689.39 and 4,306,838.47
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Solution
The fourth proportional to 4,692,778.97, 6,472,689.39 and 4,306,838.47 is: 5,940,366.65
Step by Step Solution
- Step 1: Write the proportion equation
4,692,778.97 : 6,472,689.39 = 4,306,838.47 : x - Step 2: Convert to fraction form
4,692,778.97/6,472,689.39 = 4,306,838.47/x - Step 3: Cross multiply
4,692,778.97x = 6,472,689.39 × 4,306,838.47 - Step 4: Simplify right side
4,692,778.97x = 27,876,827,653,031.11 - Step 5: Solve for x
x = 27,876,827,653,031.11/4,692,778.97 - Step 6: Final answer
x = 5,940,366.65
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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.