Finding the Fourth Proportional to 3,639,470.10, 5,460,371.55 and 2,442,743.70
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Solution
The fourth proportional to 3,639,470.10, 5,460,371.55 and 2,442,743.70 is: 3,664,898.42
Step by Step Solution
- Step 1: Write the proportion equation
3,639,470.10 : 5,460,371.55 = 2,442,743.70 : x - Step 2: Convert to fraction form
3,639,470.10/5,460,371.55 = 2,442,743.70/x - Step 3: Cross multiply
3,639,470.10x = 5,460,371.55 × 2,442,743.70 - Step 4: Simplify right side
3,639,470.10x = 13,338,288,203,421.74 - Step 5: Solve for x
x = 13,338,288,203,421.74/3,639,470.10 - Step 6: Final answer
x = 3,664,898.42
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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.