Finding the Fourth Proportional to 5,741,642.18, 8,612,177.07 and 2,147,144.87
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Solution
The fourth proportional to 5,741,642.18, 8,612,177.07 and 2,147,144.87 is: 3,220,610.28
Step by Step Solution
- Step 1: Write the proportion equation
5,741,642.18 : 8,612,177.07 = 2,147,144.87 : x - Step 2: Convert to fraction form
5,741,642.18/8,612,177.07 = 2,147,144.87/x - Step 3: Cross multiply
5,741,642.18x = 8,612,177.07 × 2,147,144.87 - Step 4: Simplify right side
5,741,642.18x = 18,491,591,815,382.13 - Step 5: Solve for x
x = 18,491,591,815,382.13/5,741,642.18 - Step 6: Final answer
x = 3,220,610.28
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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.