Finding the Fourth Proportional to 5,182,519.14, 7,766,471.34 and 2,447,147.97
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Solution
The fourth proportional to 5,182,519.14, 7,766,471.34 and 2,447,147.97 is: 3,667,271.47
Step by Step Solution
- Step 1: Write the proportion equation
5,182,519.14 : 7,766,471.34 = 2,447,147.97 : x - Step 2: Convert to fraction form
5,182,519.14/7,766,471.34 = 2,447,147.97/x - Step 3: Cross multiply
5,182,519.14x = 7,766,471.34 × 2,447,147.97 - Step 4: Simplify right side
5,182,519.14x = 19,005,704,573,744.18 - Step 5: Solve for x
x = 19,005,704,573,744.18/5,182,519.14 - Step 6: Final answer
x = 3,667,271.47
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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.