Finding the Fourth Proportional to 6,351,962.28, 8,765,761.41 and 3,451,353.18
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Solution
The fourth proportional to 6,351,962.28, 8,765,761.41 and 3,451,353.18 is: 4,762,896.44
Step by Step Solution
- Step 1: Write the proportion equation
6,351,962.28 : 8,765,761.41 = 3,451,353.18 : x - Step 2: Convert to fraction form
6,351,962.28/8,765,761.41 = 3,451,353.18/x - Step 3: Cross multiply
6,351,962.28x = 8,765,761.41 × 3,451,353.18 - Step 4: Simplify right side
6,351,962.28x = 30,253,738,517,524.79 - Step 5: Solve for x
x = 30,253,738,517,524.79/6,351,962.28 - Step 6: Final answer
x = 4,762,896.44
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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.