Finding the Fourth Proportional to 1,554,589.20, 2,331,883.80 and 543,375.08
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Solution
The fourth proportional to 1,554,589.20, 2,331,883.80 and 543,375.08 is: 815,062.62
Step by Step Solution
- Step 1: Write the proportion equation
1,554,589.20 : 2,331,883.80 = 543,375.08 : x - Step 2: Convert to fraction form
1,554,589.20/2,331,883.80 = 543,375.08/x - Step 3: Cross multiply
1,554,589.20x = 2,331,883.80 × 543,375.08 - Step 4: Simplify right side
1,554,589.20x = 1,267,087,546,375.70 - Step 5: Solve for x
x = 1,267,087,546,375.70/1,554,589.20 - Step 6: Final answer
x = 815,062.62
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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.