Finding the Fourth Proportional to 2,155,691.20, 3,232,647.12 and 735,861.76
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Solution
The fourth proportional to 2,155,691.20, 3,232,647.12 and 735,861.76 is: 1,103,488.94
Step by Step Solution
- Step 1: Write the proportion equation
2,155,691.20 : 3,232,647.12 = 735,861.76 : x - Step 2: Convert to fraction form
2,155,691.20/3,232,647.12 = 735,861.76/x - Step 3: Cross multiply
2,155,691.20x = 3,232,647.12 × 735,861.76 - Step 4: Simplify right side
2,155,691.20x = 2,378,781,399,182.13 - Step 5: Solve for x
x = 2,378,781,399,182.13/2,155,691.20 - Step 6: Final answer
x = 1,103,488.94
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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.