Finding the Fourth Proportional to 2,861,267.20, 3,948,614.04 and 1,572,025.84
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Solution
The fourth proportional to 2,861,267.20, 3,948,614.04 and 1,572,025.84 is: 2,169,431.54
Step by Step Solution
- Step 1: Write the proportion equation
2,861,267.20 : 3,948,614.04 = 1,572,025.84 : x - Step 2: Convert to fraction form
2,861,267.20/3,948,614.04 = 1,572,025.84/x - Step 3: Cross multiply
2,861,267.20x = 3,948,614.04 × 1,572,025.84 - Step 4: Simplify right side
2,861,267.20x = 6,207,323,303,066.79 - Step 5: Solve for x
x = 6,207,323,303,066.79/2,861,267.20 - Step 6: Final answer
x = 2,169,431.54
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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.