Home / 3,855,834.20-5,321,051.70-2,137,065.68

Finding the Fourth Proportional to 3,855,834.20, 5,321,051.70 and 2,137,065.68

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Solution

The fourth proportional to 3,855,834.20, 5,321,051.70 and 2,137,065.68 is: 2,949,150.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,834.20 : 5,321,051.70 = 2,137,065.68 : x
  2. Step 2: Convert to fraction form
    3,855,834.20/5,321,051.70 = 2,137,065.68/x
  3. Step 3: Cross multiply
    3,855,834.20x = 5,321,051.70 × 2,137,065.68
  4. Step 4: Simplify right side
    3,855,834.20x = 11,371,436,969,575.66
  5. Step 5: Solve for x
    x = 11,371,436,969,575.66/3,855,834.20
  6. Step 6: Final answer
    x = 2,949,150.92

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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.