Finding the Fourth Proportional to 5,327,201.91, 7,351,566.98 and 2,912,753.91
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Solution
The fourth proportional to 5,327,201.91, 7,351,566.98 and 2,912,753.91 is: 4,019,615.89
Step by Step Solution
- Step 1: Write the proportion equation
5,327,201.91 : 7,351,566.98 = 2,912,753.91 : x - Step 2: Convert to fraction form
5,327,201.91/7,351,566.98 = 2,912,753.91/x - Step 3: Cross multiply
5,327,201.91x = 7,351,566.98 × 2,912,753.91 - Step 4: Simplify right side
5,327,201.91x = 21,413,305,451,058.12 - Step 5: Solve for x
x = 21,413,305,451,058.12/5,327,201.91 - Step 6: Final answer
x = 4,019,615.89
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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.