Finding the Fourth Proportional to 1,474,363.20, 2,212,711.20 and 576,235.20
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Solution
The fourth proportional to 1,474,363.20, 2,212,711.20 and 576,235.20 is: 864,808.67
Step by Step Solution
- Step 1: Write the proportion equation
1,474,363.20 : 2,212,711.20 = 576,235.20 : x - Step 2: Convert to fraction form
1,474,363.20/2,212,711.20 = 576,235.20/x - Step 3: Cross multiply
1,474,363.20x = 2,212,711.20 × 576,235.20 - Step 4: Simplify right side
1,474,363.20x = 1,275,042,080,874.24 - Step 5: Solve for x
x = 1,275,042,080,874.24/1,474,363.20 - Step 6: Final answer
x = 864,808.67
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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.