Finding the Fourth Proportional to 2,887,470.20, 4,331,205.30 and 2,635,527.80
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Solution
The fourth proportional to 2,887,470.20, 4,331,205.30 and 2,635,527.80 is: 3,953,291.70
Step by Step Solution
- Step 1: Write the proportion equation
2,887,470.20 : 4,331,205.30 = 2,635,527.80 : x - Step 2: Convert to fraction form
2,887,470.20/4,331,205.30 = 2,635,527.80/x - Step 3: Cross multiply
2,887,470.20x = 4,331,205.30 × 2,635,527.80 - Step 4: Simplify right side
2,887,470.20x = 11,415,011,975,657.34 - Step 5: Solve for x
x = 11,415,011,975,657.34/2,887,470.20 - Step 6: Final answer
x = 3,953,291.70
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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.