Finding the Fourth Proportional to 1,974,460.76, 2,961,691.17 and 478,552.76
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Solution
The fourth proportional to 1,974,460.76, 2,961,691.17 and 478,552.76 is: 717,829.14
Step by Step Solution
- Step 1: Write the proportion equation
1,974,460.76 : 2,961,691.17 = 478,552.76 : x - Step 2: Convert to fraction form
1,974,460.76/2,961,691.17 = 478,552.76/x - Step 3: Cross multiply
1,974,460.76x = 2,961,691.17 × 478,552.76 - Step 4: Simplify right side
1,974,460.76x = 1,417,325,466,469.91 - Step 5: Solve for x
x = 1,417,325,466,469.91/1,974,460.76 - Step 6: Final answer
x = 717,829.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.