Finding the Fourth Proportional to 3,668,753.91, 5,478,426.20 and 2,996,170.41
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Solution
The fourth proportional to 3,668,753.91, 5,478,426.20 and 2,996,170.41 is: 4,474,079.99
Step by Step Solution
- Step 1: Write the proportion equation
3,668,753.91 : 5,478,426.20 = 2,996,170.41 : x - Step 2: Convert to fraction form
3,668,753.91/5,478,426.20 = 2,996,170.41/x - Step 3: Cross multiply
3,668,753.91x = 5,478,426.20 × 2,996,170.41 - Step 4: Simplify right side
3,668,753.91x = 16,414,298,458,827.89 - Step 5: Solve for x
x = 16,414,298,458,827.89/3,668,753.91 - Step 6: Final answer
x = 4,474,079.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.