Finding the Fourth Proportional to 2,652,470.76, 3,979,482.53 and 855,318.09
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Solution
The fourth proportional to 2,652,470.76, 3,979,482.53 and 855,318.09 is: 1,283,227.49
Step by Step Solution
- Step 1: Write the proportion equation
2,652,470.76 : 3,979,482.53 = 855,318.09 : x - Step 2: Convert to fraction form
2,652,470.76/3,979,482.53 = 855,318.09/x - Step 3: Cross multiply
2,652,470.76x = 3,979,482.53 × 855,318.09 - Step 4: Simplify right side
2,652,470.76x = 3,403,723,392,471.38 - Step 5: Solve for x
x = 3,403,723,392,471.38/2,652,470.76 - Step 6: Final answer
x = 1,283,227.49
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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.