Finding the Fourth Proportional to 5,134,964.14, 7,086,471.84 and 2,843,124.82
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Solution
The fourth proportional to 5,134,964.14, 7,086,471.84 and 2,843,124.82 is: 3,923,634.80
Step by Step Solution
- Step 1: Write the proportion equation
5,134,964.14 : 7,086,471.84 = 2,843,124.82 : x - Step 2: Convert to fraction form
5,134,964.14/7,086,471.84 = 2,843,124.82/x - Step 3: Cross multiply
5,134,964.14x = 7,086,471.84 × 2,843,124.82 - Step 4: Simplify right side
5,134,964.14x = 20,147,723,974,535.07 - Step 5: Solve for x
x = 20,147,723,974,535.07/5,134,964.14 - Step 6: Final answer
x = 3,923,634.80
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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.