Home / 3,937,237.20-5,905,855.80-2,661,778.80

Finding the Fourth Proportional to 3,937,237.20, 5,905,855.80 and 2,661,778.80

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Solution

The fourth proportional to 3,937,237.20, 5,905,855.80 and 2,661,778.80 is: 3,992,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,237.20 : 5,905,855.80 = 2,661,778.80 : x
  2. Step 2: Convert to fraction form
    3,937,237.20/5,905,855.80 = 2,661,778.80/x
  3. Step 3: Cross multiply
    3,937,237.20x = 5,905,855.80 × 2,661,778.80
  4. Step 4: Simplify right side
    3,937,237.20x = 15,720,081,764,297.04
  5. Step 5: Solve for x
    x = 15,720,081,764,297.04/3,937,237.20
  6. Step 6: Final answer
    x = 3,992,668.20

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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.