Finding the Fourth Proportional to 4,313,417.48, 6,469,892.94 and 1,321,610.12
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Solution
The fourth proportional to 4,313,417.48, 6,469,892.94 and 1,321,610.12 is: 1,982,343.70
Step by Step Solution
- Step 1: Write the proportion equation
4,313,417.48 : 6,469,892.94 = 1,321,610.12 : x - Step 2: Convert to fraction form
4,313,417.48/6,469,892.94 = 1,321,610.12/x - Step 3: Cross multiply
4,313,417.48x = 6,469,892.94 × 1,321,610.12 - Step 4: Simplify right side
4,313,417.48x = 8,550,675,984,820.55 - Step 5: Solve for x
x = 8,550,675,984,820.55/4,313,417.48 - Step 6: Final answer
x = 1,982,343.70
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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.