Finding the Fourth Proportional to 2,720,186.16, 4,080,131.62 and 826,779.97
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Solution
The fourth proportional to 2,720,186.16, 4,080,131.62 and 826,779.97 is: 1,240,125.09
Step by Step Solution
- Step 1: Write the proportion equation
2,720,186.16 : 4,080,131.62 = 826,779.97 : x - Step 2: Convert to fraction form
2,720,186.16/4,080,131.62 = 826,779.97/x - Step 3: Cross multiply
2,720,186.16x = 4,080,131.62 × 826,779.97 - Step 4: Simplify right side
2,720,186.16x = 3,373,371,098,379.65 - Step 5: Solve for x
x = 3,373,371,098,379.65/2,720,186.16 - Step 6: Final answer
x = 1,240,125.09
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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.