Finding the Fourth Proportional to 2,192,663.44, 3,025,861.68 and 1,225,789.12
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Solution
The fourth proportional to 2,192,663.44, 3,025,861.68 and 1,225,789.12 is: 1,691,581.23
Step by Step Solution
- Step 1: Write the proportion equation
2,192,663.44 : 3,025,861.68 = 1,225,789.12 : x - Step 2: Convert to fraction form
2,192,663.44/3,025,861.68 = 1,225,789.12/x - Step 3: Cross multiply
2,192,663.44x = 3,025,861.68 × 1,225,789.12 - Step 4: Simplify right side
2,192,663.44x = 3,709,068,325,968.92 - Step 5: Solve for x
x = 3,709,068,325,968.92/2,192,663.44 - Step 6: Final answer
x = 1,691,581.23
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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.