Finding the Fourth Proportional to 2,609,167.79, 3,914,120.75 and 812,232.61
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Solution
The fourth proportional to 2,609,167.79, 3,914,120.75 and 812,232.61 is: 1,218,463.80
Step by Step Solution
- Step 1: Write the proportion equation
2,609,167.79 : 3,914,120.75 = 812,232.61 : x - Step 2: Convert to fraction form
2,609,167.79/3,914,120.75 = 812,232.61/x - Step 3: Cross multiply
2,609,167.79x = 3,914,120.75 × 812,232.61 - Step 4: Simplify right side
2,609,167.79x = 3,179,176,498,781.19 - Step 5: Solve for x
x = 3,179,176,498,781.19/2,609,167.79 - Step 6: Final answer
x = 1,218,463.80
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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.