Finding the Fourth Proportional to 5,761,261.01, 7,950,447.40 and 3,147,708.96
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Solution
The fourth proportional to 5,761,261.01, 7,950,447.40 and 3,147,708.96 is: 4,343,787.66
Step by Step Solution
- Step 1: Write the proportion equation
5,761,261.01 : 7,950,447.40 = 3,147,708.96 : x - Step 2: Convert to fraction form
5,761,261.01/7,950,447.40 = 3,147,708.96/x - Step 3: Cross multiply
5,761,261.01x = 7,950,447.40 × 3,147,708.96 - Step 4: Simplify right side
5,761,261.01x = 25,025,694,469,367.20 - Step 5: Solve for x
x = 25,025,694,469,367.20/5,761,261.01 - Step 6: Final answer
x = 4,343,787.66
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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.