Finding the Fourth Proportional to 2,091,330.28, 3,135,618.78 and 1,379,186.92
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Solution
The fourth proportional to 2,091,330.28, 3,135,618.78 and 1,379,186.92 is: 2,067,872.52
Step by Step Solution
- Step 1: Write the proportion equation
2,091,330.28 : 3,135,618.78 = 1,379,186.92 : x - Step 2: Convert to fraction form
2,091,330.28/3,135,618.78 = 1,379,186.92/x - Step 3: Cross multiply
2,091,330.28x = 3,135,618.78 × 1,379,186.92 - Step 4: Simplify right side
2,091,330.28x = 4,324,604,407,482.36 - Step 5: Solve for x
x = 4,324,604,407,482.36/2,091,330.28 - Step 6: Final answer
x = 2,067,872.52
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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.