Finding the Fourth Proportional to 3,858,247.80, 5,324,122.44 and 2,139,304.68
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Solution
The fourth proportional to 3,858,247.80, 5,324,122.44 and 2,139,304.68 is: 2,952,096.56
Step by Step Solution
- Step 1: Write the proportion equation
3,858,247.80 : 5,324,122.44 = 2,139,304.68 : x - Step 2: Convert to fraction form
3,858,247.80/5,324,122.44 = 2,139,304.68/x - Step 3: Cross multiply
3,858,247.80x = 5,324,122.44 × 2,139,304.68 - Step 4: Simplify right side
3,858,247.80x = 11,389,920,052,785.02 - Step 5: Solve for x
x = 11,389,920,052,785.02/3,858,247.80 - Step 6: Final answer
x = 2,952,096.56
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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.