Finding the Fourth Proportional to 2,696,613.97, 3,721,305.17 and 1,472,920.28
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Solution
The fourth proportional to 2,696,613.97, 3,721,305.17 and 1,472,920.28 is: 2,032,617.91
Step by Step Solution
- Step 1: Write the proportion equation
2,696,613.97 : 3,721,305.17 = 1,472,920.28 : x - Step 2: Convert to fraction form
2,696,613.97/3,721,305.17 = 1,472,920.28/x - Step 3: Cross multiply
2,696,613.97x = 3,721,305.17 × 1,472,920.28 - Step 4: Simplify right side
2,696,613.97x = 5,481,185,852,961.85 - Step 5: Solve for x
x = 5,481,185,852,961.85/2,696,613.97 - Step 6: Final answer
x = 2,032,617.91
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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.