Finding the Fourth Proportional to 5,613,645.75, 8,419,198.74 and 2,578,093.53
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Solution
The fourth proportional to 5,613,645.75, 8,419,198.74 and 2,578,093.53 is: 3,866,557.09
Step by Step Solution
- Step 1: Write the proportion equation
5,613,645.75 : 8,419,198.74 = 2,578,093.53 : x - Step 2: Convert to fraction form
5,613,645.75/8,419,198.74 = 2,578,093.53/x - Step 3: Cross multiply
5,613,645.75x = 8,419,198.74 × 2,578,093.53 - Step 4: Simplify right side
5,613,645.75x = 21,705,481,799,378.15 - Step 5: Solve for x
x = 21,705,481,799,378.15/5,613,645.75 - Step 6: Final answer
x = 3,866,557.09
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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.