Finding the Fourth Proportional to 2,100,912.26, 3,151,782.09 and 752,714.24
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Solution
The fourth proportional to 2,100,912.26, 3,151,782.09 and 752,714.24 is: 1,129,219.58
Step by Step Solution
- Step 1: Write the proportion equation
2,100,912.26 : 3,151,782.09 = 752,714.24 : x - Step 2: Convert to fraction form
2,100,912.26/3,151,782.09 = 752,714.24/x - Step 3: Cross multiply
2,100,912.26x = 3,151,782.09 × 752,714.24 - Step 4: Simplify right side
2,100,912.26x = 2,372,391,244,761.05 - Step 5: Solve for x
x = 2,372,391,244,761.05/2,100,912.26 - Step 6: Final answer
x = 1,129,219.58
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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.