Finding the Fourth Proportional to 2,279,179.64, 3,145,350.14 and 1,260,591.68
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Solution
The fourth proportional to 2,279,179.64, 3,145,350.14 and 1,260,591.68 is: 1,739,662.00
Step by Step Solution
- Step 1: Write the proportion equation
2,279,179.64 : 3,145,350.14 = 1,260,591.68 : x - Step 2: Convert to fraction form
2,279,179.64/3,145,350.14 = 1,260,591.68/x - Step 3: Cross multiply
2,279,179.64x = 3,145,350.14 × 1,260,591.68 - Step 4: Simplify right side
2,279,179.64x = 3,965,002,195,141.13 - Step 5: Solve for x
x = 3,965,002,195,141.13/2,279,179.64 - Step 6: Final answer
x = 1,739,662.00
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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.