Home / 2,420,377.12-3,340,200-1,332,728.56

Finding the Fourth Proportional to 2,420,377.12, 3,340,200 and 1,332,728.56

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Solution

The fourth proportional to 2,420,377.12, 3,340,200 and 1,332,728.56 is: 1,839,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,377.12 : 3,340,200 = 1,332,728.56 : x
  2. Step 2: Convert to fraction form
    2,420,377.12/3,340,200 = 1,332,728.56/x
  3. Step 3: Cross multiply
    2,420,377.12x = 3,340,200 × 1,332,728.56
  4. Step 4: Simplify right side
    2,420,377.12x = 4,451,579,936,112
  5. Step 5: Solve for x
    x = 4,451,579,936,112/2,420,377.12
  6. Step 6: Final answer
    x = 1,839,209.23

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1.5x scale

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.