Finding the Fourth Proportional to 3,894,929.13, 5,374,903.17 and 2,176,062.55
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Solution
The fourth proportional to 3,894,929.13, 5,374,903.17 and 2,176,062.55 is: 3,002,910.99
Step by Step Solution
- Step 1: Write the proportion equation
3,894,929.13 : 5,374,903.17 = 2,176,062.55 : x - Step 2: Convert to fraction form
3,894,929.13/5,374,903.17 = 2,176,062.55/x - Step 3: Cross multiply
3,894,929.13x = 5,374,903.17 × 2,176,062.55 - Step 4: Simplify right side
3,894,929.13x = 11,696,125,498,113.28 - Step 5: Solve for x
x = 11,696,125,498,113.28/3,894,929.13 - Step 6: Final answer
x = 3,002,910.99
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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.