Finding the Fourth Proportional to 5,117,177.91, 7,678,163.80 and 2,522,067.97
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Solution
The fourth proportional to 5,117,177.91, 7,678,163.80 and 2,522,067.97 is: 3,784,283.31
Step by Step Solution
- Step 1: Write the proportion equation
5,117,177.91 : 7,678,163.80 = 2,522,067.97 : x - Step 2: Convert to fraction form
5,117,177.91/7,678,163.80 = 2,522,067.97/x - Step 3: Cross multiply
5,117,177.91x = 7,678,163.80 × 2,522,067.97 - Step 4: Simplify right side
5,117,177.91x = 19,364,850,950,965.75 - Step 5: Solve for x
x = 19,364,850,950,965.75/5,117,177.91 - Step 6: Final answer
x = 3,784,283.31
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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.