Finding the Fourth Proportional to 2,245,489.68, 3,098,739.60 and 1,226,872.56
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Solution
The fourth proportional to 2,245,489.68, 3,098,739.60 and 1,226,872.56 is: 1,693,064.38
Step by Step Solution
- Step 1: Write the proportion equation
2,245,489.68 : 3,098,739.60 = 1,226,872.56 : x - Step 2: Convert to fraction form
2,245,489.68/3,098,739.60 = 1,226,872.56/x - Step 3: Cross multiply
2,245,489.68x = 3,098,739.60 × 1,226,872.56 - Step 4: Simplify right side
2,245,489.68x = 3,801,758,585,825.38 - Step 5: Solve for x
x = 3,801,758,585,825.38/2,245,489.68 - Step 6: Final answer
x = 1,693,064.38
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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.