Finding the Fourth Proportional to 2,921,837.28, 4,382,755.84 and 791,921.35
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Solution
The fourth proportional to 2,921,837.28, 4,382,755.84 and 791,921.35 is: 1,187,882.00
Step by Step Solution
- Step 1: Write the proportion equation
2,921,837.28 : 4,382,755.84 = 791,921.35 : x - Step 2: Convert to fraction form
2,921,837.28/4,382,755.84 = 791,921.35/x - Step 3: Cross multiply
2,921,837.28x = 4,382,755.84 × 791,921.35 - Step 4: Simplify right side
2,921,837.28x = 3,470,797,921,533.18 - Step 5: Solve for x
x = 3,470,797,921,533.18/2,921,837.28 - Step 6: Final answer
x = 1,187,882.00
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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.