Finding the Fourth Proportional to 3,394,425.12, 5,091,797.13 and 1,120,148.37
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Solution
The fourth proportional to 3,394,425.12, 5,091,797.13 and 1,120,148.37 is: 1,680,275.17
Step by Step Solution
- Step 1: Write the proportion equation
3,394,425.12 : 5,091,797.13 = 1,120,148.37 : x - Step 2: Convert to fraction form
3,394,425.12/5,091,797.13 = 1,120,148.37/x - Step 3: Cross multiply
3,394,425.12x = 5,091,797.13 × 1,120,148.37 - Step 4: Simplify right side
3,394,425.12x = 5,703,568,255,540.18 - Step 5: Solve for x
x = 5,703,568,255,540.18/3,394,425.12 - Step 6: Final answer
x = 1,680,275.17
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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.