Home / 3,419,910.80-5,129,866.20-895,821.20

Finding the Fourth Proportional to 3,419,910.80, 5,129,866.20 and 895,821.20

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Solution

The fourth proportional to 3,419,910.80, 5,129,866.20 and 895,821.20 is: 1,343,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,910.80 : 5,129,866.20 = 895,821.20 : x
  2. Step 2: Convert to fraction form
    3,419,910.80/5,129,866.20 = 895,821.20/x
  3. Step 3: Cross multiply
    3,419,910.80x = 5,129,866.20 × 895,821.20
  4. Step 4: Simplify right side
    3,419,910.80x = 4,595,442,895,123.44
  5. Step 5: Solve for x
    x = 4,595,442,895,123.44/3,419,910.80
  6. Step 6: Final answer
    x = 1,343,731.80

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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.