Finding the Fourth Proportional to 5,649,201.91, 8,474,601.21 and 1,810,126.72
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Solution
The fourth proportional to 5,649,201.91, 8,474,601.21 and 1,810,126.72 is: 2,715,445.89
Step by Step Solution
- Step 1: Write the proportion equation
5,649,201.91 : 8,474,601.21 = 1,810,126.72 : x - Step 2: Convert to fraction form
5,649,201.91/8,474,601.21 = 1,810,126.72/x - Step 3: Cross multiply
5,649,201.91x = 8,474,601.21 × 1,810,126.72 - Step 4: Simplify right side
5,649,201.91x = 15,340,102,091,565.33 - Step 5: Solve for x
x = 15,340,102,091,565.33/5,649,201.91 - Step 6: Final answer
x = 2,715,445.89
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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.