Finding the Fourth Proportional to 5,568,481.89, 7,684,716.24 and 3,121,138.17
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Solution
The fourth proportional to 5,568,481.89, 7,684,716.24 and 3,121,138.17 is: 4,307,289.07
Step by Step Solution
- Step 1: Write the proportion equation
5,568,481.89 : 7,684,716.24 = 3,121,138.17 : x - Step 2: Convert to fraction form
5,568,481.89/7,684,716.24 = 3,121,138.17/x - Step 3: Cross multiply
5,568,481.89x = 7,684,716.24 × 3,121,138.17 - Step 4: Simplify right side
5,568,481.89x = 23,985,061,182,282.88 - Step 5: Solve for x
x = 23,985,061,182,282.88/5,568,481.89 - Step 6: Final answer
x = 4,307,289.07
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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.