Finding the Fourth Proportional to 2,486,812.08, 3,730,217.91 and 689,695.56
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Solution
The fourth proportional to 2,486,812.08, 3,730,217.91 and 689,695.56 is: 1,034,543.28
Step by Step Solution
- Step 1: Write the proportion equation
2,486,812.08 : 3,730,217.91 = 689,695.56 : x - Step 2: Convert to fraction form
2,486,812.08/3,730,217.91 = 689,695.56/x - Step 3: Cross multiply
2,486,812.08x = 3,730,217.91 × 689,695.56 - Step 4: Simplify right side
2,486,812.08x = 2,572,714,730,359.48 - Step 5: Solve for x
x = 2,572,714,730,359.48/2,486,812.08 - Step 6: Final answer
x = 1,034,543.28
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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.