Finding the Fourth Proportional to 2,486,812.53, 3,730,218.56 and 689,695.98
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Solution
The fourth proportional to 2,486,812.53, 3,730,218.56 and 689,695.98 is: 1,034,543.90
Step by Step Solution
- Step 1: Write the proportion equation
2,486,812.53 : 3,730,218.56 = 689,695.98 : x - Step 2: Convert to fraction form
2,486,812.53/3,730,218.56 = 689,695.98/x - Step 3: Cross multiply
2,486,812.53x = 3,730,218.56 × 689,695.98 - Step 4: Simplify right side
2,486,812.53x = 2,572,716,745,353.39 - Step 5: Solve for x
x = 2,572,716,745,353.39/2,486,812.53 - Step 6: Final answer
x = 1,034,543.90
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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.