Finding the Fourth Proportional to 1,098,686.26, 1,516,282.42 and 615,242.62
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Solution
The fourth proportional to 1,098,686.26, 1,516,282.42 and 615,242.62 is: 849,088.23
Step by Step Solution
- Step 1: Write the proportion equation
1,098,686.26 : 1,516,282.42 = 615,242.62 : x - Step 2: Convert to fraction form
1,098,686.26/1,516,282.42 = 615,242.62/x - Step 3: Cross multiply
1,098,686.26x = 1,516,282.42 × 615,242.62 - Step 4: Simplify right side
1,098,686.26x = 932,881,568,740.74 - Step 5: Solve for x
x = 932,881,568,740.74/1,098,686.26 - Step 6: Final answer
x = 849,088.23
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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.