Finding the Fourth Proportional to 1,586,757.60, 2,380,129.92 and 1,305,681.12
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Solution
The fourth proportional to 1,586,757.60, 2,380,129.92 and 1,305,681.12 is: 1,958,516.35
Step by Step Solution
- Step 1: Write the proportion equation
1,586,757.60 : 2,380,129.92 = 1,305,681.12 : x - Step 2: Convert to fraction form
1,586,757.60/2,380,129.92 = 1,305,681.12/x - Step 3: Cross multiply
1,586,757.60x = 2,380,129.92 × 1,305,681.12 - Step 4: Simplify right side
1,586,757.60x = 3,107,690,699,691.11 - Step 5: Solve for x
x = 3,107,690,699,691.11/1,586,757.60 - Step 6: Final answer
x = 1,958,516.35
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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.