Finding the Fourth Proportional to 4,491,773.86, 6,741,154.70 and 3,135,123.09
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Solution
The fourth proportional to 4,491,773.86, 6,741,154.70 and 3,135,123.09 is: 4,705,123.28
Step by Step Solution
- Step 1: Write the proportion equation
4,491,773.86 : 6,741,154.70 = 3,135,123.09 : x - Step 2: Convert to fraction form
4,491,773.86/6,741,154.70 = 3,135,123.09/x - Step 3: Cross multiply
4,491,773.86x = 6,741,154.70 × 3,135,123.09 - Step 4: Simplify right side
4,491,773.86x = 21,134,349,753,232.02 - Step 5: Solve for x
x = 21,134,349,753,232.02/4,491,773.86 - Step 6: Final answer
x = 4,705,123.28
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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.