Finding the Fourth Proportional to 3,960,855.38, 5,941,283.15 and 2,162,757.96
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Solution
The fourth proportional to 3,960,855.38, 5,941,283.15 and 2,162,757.96 is: 3,244,136.99
Step by Step Solution
- Step 1: Write the proportion equation
3,960,855.38 : 5,941,283.15 = 2,162,757.96 : x - Step 2: Convert to fraction form
3,960,855.38/5,941,283.15 = 2,162,757.96/x - Step 3: Cross multiply
3,960,855.38x = 5,941,283.15 × 2,162,757.96 - Step 4: Simplify right side
3,960,855.38x = 12,849,557,429,315.79 - Step 5: Solve for x
x = 12,849,557,429,315.79/3,960,855.38 - Step 6: Final answer
x = 3,244,136.99
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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.