Finding the Fourth Proportional to 1,944,059.20, 2,912,589.60 and 1,587,140.80
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Solution
The fourth proportional to 1,944,059.20, 2,912,589.60 and 1,587,140.80 is: 2,377,854.43
Step by Step Solution
- Step 1: Write the proportion equation
1,944,059.20 : 2,912,589.60 = 1,587,140.80 : x - Step 2: Convert to fraction form
1,944,059.20/2,912,589.60 = 1,587,140.80/x - Step 3: Cross multiply
1,944,059.20x = 2,912,589.60 × 1,587,140.80 - Step 4: Simplify right side
1,944,059.20x = 4,622,689,787,815.68 - Step 5: Solve for x
x = 4,622,689,787,815.68/1,944,059.20 - Step 6: Final answer
x = 2,377,854.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.