Finding the Fourth Proportional to 6,612,753.09, 9,904,027.91 and 3,156,923.69
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Solution
The fourth proportional to 6,612,753.09, 9,904,027.91 and 3,156,923.69 is: 4,728,175.99
Step by Step Solution
- Step 1: Write the proportion equation
6,612,753.09 : 9,904,027.91 = 3,156,923.69 : x - Step 2: Convert to fraction form
6,612,753.09/9,904,027.91 = 3,156,923.69/x - Step 3: Cross multiply
6,612,753.09x = 9,904,027.91 × 3,156,923.69 - Step 4: Simplify right side
6,612,753.09x = 31,266,260,335,500.19 - Step 5: Solve for x
x = 31,266,260,335,500.19/6,612,753.09 - Step 6: Final answer
x = 4,728,175.99
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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.