Finding the Fourth Proportional to 2,170,747.16, 2,995,815.08 and 1,204,188.88
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Solution
The fourth proportional to 2,170,747.16, 2,995,815.08 and 1,204,188.88 is: 1,661,882.73
Step by Step Solution
- Step 1: Write the proportion equation
2,170,747.16 : 2,995,815.08 = 1,204,188.88 : x - Step 2: Convert to fraction form
2,170,747.16/2,995,815.08 = 1,204,188.88/x - Step 3: Cross multiply
2,170,747.16x = 2,995,815.08 × 1,204,188.88 - Step 4: Simplify right side
2,170,747.16x = 3,607,527,205,872.31 - Step 5: Solve for x
x = 3,607,527,205,872.31/2,170,747.16 - Step 6: Final answer
x = 1,661,882.73
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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.