Finding the Fourth Proportional to 3,201,385.20, 4,418,292.60 and 1,843,522.80
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Solution
The fourth proportional to 3,201,385.20, 4,418,292.60 and 1,843,522.80 is: 2,544,280.88
Step by Step Solution
- Step 1: Write the proportion equation
3,201,385.20 : 4,418,292.60 = 1,843,522.80 : x - Step 2: Convert to fraction form
3,201,385.20/4,418,292.60 = 1,843,522.80/x - Step 3: Cross multiply
3,201,385.20x = 4,418,292.60 × 1,843,522.80 - Step 4: Simplify right side
3,201,385.20x = 8,145,223,145,171.28 - Step 5: Solve for x
x = 8,145,223,145,171.28/3,201,385.20 - Step 6: Final answer
x = 2,544,280.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.