Finding the Fourth Proportional to 1,518,365.20, 2,278,422.60 and 572,414.80
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Solution
The fourth proportional to 1,518,365.20, 2,278,422.60 and 572,414.80 is: 858,951.99
Step by Step Solution
- Step 1: Write the proportion equation
1,518,365.20 : 2,278,422.60 = 572,414.80 : x - Step 2: Convert to fraction form
1,518,365.20/2,278,422.60 = 572,414.80/x - Step 3: Cross multiply
1,518,365.20x = 2,278,422.60 × 572,414.80 - Step 4: Simplify right side
1,518,365.20x = 1,304,202,816,894.48 - Step 5: Solve for x
x = 1,304,202,816,894.48/1,518,365.20 - Step 6: Final answer
x = 858,951.99
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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.