Finding the Fourth Proportional to 4,491,078.31, 6,736,617.60 and 1,417,380.65
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Solution
The fourth proportional to 4,491,078.31, 6,736,617.60 and 1,417,380.65 is: 2,126,071.02
Step by Step Solution
- Step 1: Write the proportion equation
4,491,078.31 : 6,736,617.60 = 1,417,380.65 : x - Step 2: Convert to fraction form
4,491,078.31/6,736,617.60 = 1,417,380.65/x - Step 3: Cross multiply
4,491,078.31x = 6,736,617.60 × 1,417,380.65 - Step 4: Simplify right side
4,491,078.31x = 9,548,351,442,883.03 - Step 5: Solve for x
x = 9,548,351,442,883.03/4,491,078.31 - Step 6: Final answer
x = 2,126,071.02
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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.