Home / 2,685,780-4,028,272.24-979,523.12

Finding the Fourth Proportional to 2,685,780, 4,028,272.24 and 979,523.12

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Solution

The fourth proportional to 2,685,780, 4,028,272.24 and 979,523.12 is: 1,469,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,780 : 4,028,272.24 = 979,523.12 : x
  2. Step 2: Convert to fraction form
    2,685,780/4,028,272.24 = 979,523.12/x
  3. Step 3: Cross multiply
    2,685,780x = 4,028,272.24 × 979,523.12
  4. Step 4: Simplify right side
    2,685,780x = 3,945,785,792,734.19
  5. Step 5: Solve for x
    x = 3,945,785,792,734.19/2,685,780
  6. Step 6: Final answer
    x = 1,469,139.61

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1.5x scale

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.