Finding the Fourth Proportional to 5,135,352.75, 7,086,700.17 and 2,843,464.23
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Solution
The fourth proportional to 5,135,352.75, 7,086,700.17 and 2,843,464.23 is: 3,923,932.67
Step by Step Solution
- Step 1: Write the proportion equation
5,135,352.75 : 7,086,700.17 = 2,843,464.23 : x - Step 2: Convert to fraction form
5,135,352.75/7,086,700.17 = 2,843,464.23/x - Step 3: Cross multiply
5,135,352.75x = 7,086,700.17 × 2,843,464.23 - Step 4: Simplify right side
5,135,352.75x = 20,150,778,442,129.92 - Step 5: Solve for x
x = 20,150,778,442,129.92/5,135,352.75 - Step 6: Final answer
x = 3,923,932.67
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1.5x scale
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.