Finding the Fourth Proportional to 5,327,987.67, 7,347,716.64 and 3,491,776.98
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Solution
The fourth proportional to 5,327,987.67, 7,347,716.64 and 3,491,776.98 is: 4,815,436.79
Step by Step Solution
- Step 1: Write the proportion equation
5,327,987.67 : 7,347,716.64 = 3,491,776.98 : x - Step 2: Convert to fraction form
5,327,987.67/7,347,716.64 = 3,491,776.98/x - Step 3: Cross multiply
5,327,987.67x = 7,347,716.64 × 3,491,776.98 - Step 4: Simplify right side
5,327,987.67x = 25,656,587,819,114.95 - Step 5: Solve for x
x = 25,656,587,819,114.95/5,327,987.67 - Step 6: Final answer
x = 4,815,436.79
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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.