Finding the Fourth Proportional to 5,179,489.80, 7,769,234.70 and 2,940,001.80
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Solution
The fourth proportional to 5,179,489.80, 7,769,234.70 and 2,940,001.80 is: 4,410,002.70
Step by Step Solution
- Step 1: Write the proportion equation
5,179,489.80 : 7,769,234.70 = 2,940,001.80 : x - Step 2: Convert to fraction form
5,179,489.80/7,769,234.70 = 2,940,001.80/x - Step 3: Cross multiply
5,179,489.80x = 7,769,234.70 × 2,940,001.80 - Step 4: Simplify right side
5,179,489.80x = 22,841,564,002,622.46 - Step 5: Solve for x
x = 22,841,564,002,622.46/5,179,489.80 - Step 6: Final answer
x = 4,410,002.70
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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.