Finding the Fourth Proportional to 5,452,676.20, 8,178,358.20 and 2,257,469.20
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Solution
The fourth proportional to 5,452,676.20, 8,178,358.20 and 2,257,469.20 is: 3,385,932.17
Step by Step Solution
- Step 1: Write the proportion equation
5,452,676.20 : 8,178,358.20 = 2,257,469.20 : x - Step 2: Convert to fraction form
5,452,676.20/8,178,358.20 = 2,257,469.20/x - Step 3: Cross multiply
5,452,676.20x = 8,178,358.20 × 2,257,469.20 - Step 4: Simplify right side
5,452,676.20x = 18,462,391,743,067.44 - Step 5: Solve for x
x = 18,462,391,743,067.44/5,452,676.20 - Step 6: Final answer
x = 3,385,932.17
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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.