Finding the Fourth Proportional to 1,491,785.40, 2,058,910.76 and 880,087.92
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Solution
The fourth proportional to 1,491,785.40, 2,058,910.76 and 880,087.92 is: 1,214,666.99
Step by Step Solution
- Step 1: Write the proportion equation
1,491,785.40 : 2,058,910.76 = 880,087.92 : x - Step 2: Convert to fraction form
1,491,785.40/2,058,910.76 = 880,087.92/x - Step 3: Cross multiply
1,491,785.40x = 2,058,910.76 × 880,087.92 - Step 4: Simplify right side
1,491,785.40x = 1,812,022,488,234.02 - Step 5: Solve for x
x = 1,812,022,488,234.02/1,491,785.40 - Step 6: Final answer
x = 1,214,666.99
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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.