Finding the Fourth Proportional to 5,011,379.97, 6,915,704.10 and 2,719,540.67
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Solution
The fourth proportional to 5,011,379.97, 6,915,704.10 and 2,719,540.67 is: 3,752,965.98
Step by Step Solution
- Step 1: Write the proportion equation
5,011,379.97 : 6,915,704.10 = 2,719,540.67 : x - Step 2: Convert to fraction form
5,011,379.97/6,915,704.10 = 2,719,540.67/x - Step 3: Cross multiply
5,011,379.97x = 6,915,704.10 × 2,719,540.67 - Step 4: Simplify right side
5,011,379.97x = 18,807,538,527,057.23 - Step 5: Solve for x
x = 18,807,538,527,057.23/5,011,379.97 - Step 6: Final answer
x = 3,752,965.98
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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.