Finding the Fourth Proportional to 5,811,711.75, 8,020,235.66 and 3,198,516.62
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Solution
The fourth proportional to 5,811,711.75, 8,020,235.66 and 3,198,516.62 is: 4,413,993.35
Step by Step Solution
- Step 1: Write the proportion equation
5,811,711.75 : 8,020,235.66 = 3,198,516.62 : x - Step 2: Convert to fraction form
5,811,711.75/8,020,235.66 = 3,198,516.62/x - Step 3: Cross multiply
5,811,711.75x = 8,020,235.66 × 3,198,516.62 - Step 4: Simplify right side
5,811,711.75x = 25,652,856,998,732.91 - Step 5: Solve for x
x = 25,652,856,998,732.91/5,811,711.75 - Step 6: Final answer
x = 4,413,993.35
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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.