Finding the Fourth Proportional to 1,392,350.26, 2,088,527.02 and 381,480.80
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Solution
The fourth proportional to 1,392,350.26, 2,088,527.02 and 381,480.80 is: 572,221.65
Step by Step Solution
- Step 1: Write the proportion equation
1,392,350.26 : 2,088,527.02 = 381,480.80 : x - Step 2: Convert to fraction form
1,392,350.26/2,088,527.02 = 381,480.80/x - Step 3: Cross multiply
1,392,350.26x = 2,088,527.02 × 381,480.80 - Step 4: Simplify right side
1,392,350.26x = 796,732,958,411.22 - Step 5: Solve for x
x = 796,732,958,411.22/1,392,350.26 - Step 6: Final answer
x = 572,221.65
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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.