Finding the Fourth Proportional to 5,902,249.91, 8,145,121.75 and 3,421,952.60
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Solution
The fourth proportional to 5,902,249.91, 8,145,121.75 and 3,421,952.60 is: 4,722,304.37
Step by Step Solution
- Step 1: Write the proportion equation
5,902,249.91 : 8,145,121.75 = 3,421,952.60 : x - Step 2: Convert to fraction form
5,902,249.91/8,145,121.75 = 3,421,952.60/x - Step 3: Cross multiply
5,902,249.91x = 8,145,121.75 × 3,421,952.60 - Step 4: Simplify right side
5,902,249.91x = 27,872,220,561,536.97 - Step 5: Solve for x
x = 27,872,220,561,536.97/5,902,249.91 - Step 6: Final answer
x = 4,722,304.37
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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.