Finding the Fourth Proportional to 1,585,349.87, 2,378,272.68 and 520,149.65
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Solution
The fourth proportional to 1,585,349.87, 2,378,272.68 and 520,149.65 is: 780,305.80
Step by Step Solution
- Step 1: Write the proportion equation
1,585,349.87 : 2,378,272.68 = 520,149.65 : x - Step 2: Convert to fraction form
1,585,349.87/2,378,272.68 = 520,149.65/x - Step 3: Cross multiply
1,585,349.87x = 2,378,272.68 × 520,149.65 - Step 4: Simplify right side
1,585,349.87x = 1,237,057,690,215.20 - Step 5: Solve for x
x = 1,237,057,690,215.20/1,585,349.87 - Step 6: Final answer
x = 780,305.80
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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.