Home / 2,836,963.20-4,258,209.60-1,418,620.80

Finding the Fourth Proportional to 2,836,963.20, 4,258,209.60 and 1,418,620.80

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Solution

The fourth proportional to 2,836,963.20, 4,258,209.60 and 1,418,620.80 is: 2,129,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836,963.20 : 4,258,209.60 = 1,418,620.80 : x
  2. Step 2: Convert to fraction form
    2,836,963.20/4,258,209.60 = 1,418,620.80/x
  3. Step 3: Cross multiply
    2,836,963.20x = 4,258,209.60 × 1,418,620.80
  4. Step 4: Simplify right side
    2,836,963.20x = 6,040,784,709,319.68
  5. Step 5: Solve for x
    x = 6,040,784,709,319.68/2,836,963.20
  6. Step 6: Final answer
    x = 2,129,313.74

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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.