Home / 1,801,565.32-2,486,121.78-985,765.72

Finding the Fourth Proportional to 1,801,565.32, 2,486,121.78 and 985,765.72

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Solution

The fourth proportional to 1,801,565.32, 2,486,121.78 and 985,765.72 is: 1,360,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,565.32 : 2,486,121.78 = 985,765.72 : x
  2. Step 2: Convert to fraction form
    1,801,565.32/2,486,121.78 = 985,765.72/x
  3. Step 3: Cross multiply
    1,801,565.32x = 2,486,121.78 × 985,765.72
  4. Step 4: Simplify right side
    1,801,565.32x = 2,450,733,626,469.38
  5. Step 5: Solve for x
    x = 2,450,733,626,469.38/1,801,565.32
  6. Step 6: Final answer
    x = 1,360,335.70

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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.