Home / 3,949,279.80-5,923,919.70-3,311,550.60

Finding the Fourth Proportional to 3,949,279.80, 5,923,919.70 and 3,311,550.60

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Solution

The fourth proportional to 3,949,279.80, 5,923,919.70 and 3,311,550.60 is: 4,967,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,279.80 : 5,923,919.70 = 3,311,550.60 : x
  2. Step 2: Convert to fraction form
    3,949,279.80/5,923,919.70 = 3,311,550.60/x
  3. Step 3: Cross multiply
    3,949,279.80x = 5,923,919.70 × 3,311,550.60
  4. Step 4: Simplify right side
    3,949,279.80x = 19,617,359,836,886.82
  5. Step 5: Solve for x
    x = 19,617,359,836,886.82/3,949,279.80
  6. Step 6: Final answer
    x = 4,967,325.90

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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.