Finding the Fourth Proportional to 3,769,753.98, 5,204,067.36 and 2,320,691.52
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Solution
The fourth proportional to 3,769,753.98, 5,204,067.36 and 2,320,691.52 is: 3,203,666.62
Step by Step Solution
- Step 1: Write the proportion equation
3,769,753.98 : 5,204,067.36 = 2,320,691.52 : x - Step 2: Convert to fraction form
3,769,753.98/5,204,067.36 = 2,320,691.52/x - Step 3: Cross multiply
3,769,753.98x = 5,204,067.36 × 2,320,691.52 - Step 4: Simplify right side
3,769,753.98x = 12,077,034,991,860.79 - Step 5: Solve for x
x = 12,077,034,991,860.79/3,769,753.98 - Step 6: Final answer
x = 3,203,666.62
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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.