Finding the Fourth Proportional to 2,351,147.20, 3,244,618.68 and 1,318,883.80
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Solution
The fourth proportional to 2,351,147.20, 3,244,618.68 and 1,318,883.80 is: 1,820,079.58
Step by Step Solution
- Step 1: Write the proportion equation
2,351,147.20 : 3,244,618.68 = 1,318,883.80 : x - Step 2: Convert to fraction form
2,351,147.20/3,244,618.68 = 1,318,883.80/x - Step 3: Cross multiply
2,351,147.20x = 3,244,618.68 × 1,318,883.80 - Step 4: Simplify right side
2,351,147.20x = 4,279,275,014,229.38 - Step 5: Solve for x
x = 4,279,275,014,229.38/2,351,147.20 - Step 6: Final answer
x = 1,820,079.58
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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.