Finding the Fourth Proportional to 3,915,862.27, 5,874,107.37 and 1,488,178.55
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Solution
The fourth proportional to 3,915,862.27, 5,874,107.37 and 1,488,178.55 is: 2,232,387.15
Step by Step Solution
- Step 1: Write the proportion equation
3,915,862.27 : 5,874,107.37 = 1,488,178.55 : x - Step 2: Convert to fraction form
3,915,862.27/5,874,107.37 = 1,488,178.55/x - Step 3: Cross multiply
3,915,862.27x = 5,874,107.37 × 1,488,178.55 - Step 4: Simplify right side
3,915,862.27x = 8,741,720,588,430.91 - Step 5: Solve for x
x = 8,741,720,588,430.91/3,915,862.27 - Step 6: Final answer
x = 2,232,387.15
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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.