Home / 3,800,188.40-5,704,429.80-2,120,572.40

Finding the Fourth Proportional to 3,800,188.40, 5,704,429.80 and 2,120,572.40

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Solution

The fourth proportional to 3,800,188.40, 5,704,429.80 and 2,120,572.40 is: 3,183,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,188.40 : 5,704,429.80 = 2,120,572.40 : x
  2. Step 2: Convert to fraction form
    3,800,188.40/5,704,429.80 = 2,120,572.40/x
  3. Step 3: Cross multiply
    3,800,188.40x = 5,704,429.80 × 2,120,572.40
  4. Step 4: Simplify right side
    3,800,188.40x = 12,096,656,391,617.52
  5. Step 5: Solve for x
    x = 12,096,656,391,617.52/3,800,188.40
  6. Step 6: Final answer
    x = 3,183,172.81

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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.