Finding the Fourth Proportional to 2,715,053.79, 3,746,891.97 and 1,553,864.55
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Solution
The fourth proportional to 2,715,053.79, 3,746,891.97 and 1,553,864.55 is: 2,144,400.46
Step by Step Solution
- Step 1: Write the proportion equation
2,715,053.79 : 3,746,891.97 = 1,553,864.55 : x - Step 2: Convert to fraction form
2,715,053.79/3,746,891.97 = 1,553,864.55/x - Step 3: Cross multiply
2,715,053.79x = 3,746,891.97 × 1,553,864.55 - Step 4: Simplify right side
2,715,053.79x = 5,822,162,604,862.66 - Step 5: Solve for x
x = 5,822,162,604,862.66/2,715,053.79 - Step 6: Final answer
x = 2,144,400.46
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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.