Finding the Fourth Proportional to 4,818,861.24, 6,649,966.42 and 2,753,853.20
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Solution
The fourth proportional to 4,818,861.24, 6,649,966.42 and 2,753,853.20 is: 3,800,281.93
Step by Step Solution
- Step 1: Write the proportion equation
4,818,861.24 : 6,649,966.42 = 2,753,853.20 : x - Step 2: Convert to fraction form
4,818,861.24/6,649,966.42 = 2,753,853.20/x - Step 3: Cross multiply
4,818,861.24x = 6,649,966.42 × 2,753,853.20 - Step 4: Simplify right side
4,818,861.24x = 18,313,031,305,609.55 - Step 5: Solve for x
x = 18,313,031,305,609.55/4,818,861.24 - Step 6: Final answer
x = 3,800,281.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.