Finding the Fourth Proportional to 6,287,575.14, 9,431,361.50 and 2,691,009.90
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Solution
The fourth proportional to 6,287,575.14, 9,431,361.50 and 2,691,009.90 is: 4,036,514.33
Step by Step Solution
- Step 1: Write the proportion equation
6,287,575.14 : 9,431,361.50 = 2,691,009.90 : x - Step 2: Convert to fraction form
6,287,575.14/9,431,361.50 = 2,691,009.90/x - Step 3: Cross multiply
6,287,575.14x = 9,431,361.50 × 2,691,009.90 - Step 4: Simplify right side
6,287,575.14x = 25,379,887,153,523.80 - Step 5: Solve for x
x = 25,379,887,153,523.80/6,287,575.14 - Step 6: Final answer
x = 4,036,514.33
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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.