Home / 2,885,211.20-4,328,205.60-992,532.80

Finding the Fourth Proportional to 2,885,211.20, 4,328,205.60 and 992,532.80

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Solution

The fourth proportional to 2,885,211.20, 4,328,205.60 and 992,532.80 is: 1,488,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,211.20 : 4,328,205.60 = 992,532.80 : x
  2. Step 2: Convert to fraction form
    2,885,211.20/4,328,205.60 = 992,532.80/x
  3. Step 3: Cross multiply
    2,885,211.20x = 4,328,205.60 × 992,532.80
  4. Step 4: Simplify right side
    2,885,211.20x = 4,295,886,023,143.68
  5. Step 5: Solve for x
    x = 4,295,886,023,143.68/2,885,211.20
  6. Step 6: Final answer
    x = 1,488,932.95

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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.