Finding the Fourth Proportional to 2,861,231.64, 3,948,487.68 and 1,572,068.04
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Solution
The fourth proportional to 2,861,231.64, 3,948,487.68 and 1,572,068.04 is: 2,169,447.31
Step by Step Solution
- Step 1: Write the proportion equation
2,861,231.64 : 3,948,487.68 = 1,572,068.04 : x - Step 2: Convert to fraction form
2,861,231.64/3,948,487.68 = 1,572,068.04/x - Step 3: Cross multiply
2,861,231.64x = 3,948,487.68 × 1,572,068.04 - Step 4: Simplify right side
2,861,231.64x = 6,207,291,288,061.75 - Step 5: Solve for x
x = 6,207,291,288,061.75/2,861,231.64 - Step 6: Final answer
x = 2,169,447.31
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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.