Home / 2,847,928-4,272,591.87-853,384

Finding the Fourth Proportional to 2,847,928, 4,272,591.87 and 853,384

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Solution

The fourth proportional to 2,847,928, 4,272,591.87 and 853,384 is: 1,280,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,928 : 4,272,591.87 = 853,384 : x
  2. Step 2: Convert to fraction form
    2,847,928/4,272,591.87 = 853,384/x
  3. Step 3: Cross multiply
    2,847,928x = 4,272,591.87 × 853,384
  4. Step 4: Simplify right side
    2,847,928x = 3,646,161,540,388.08
  5. Step 5: Solve for x
    x = 3,646,161,540,388.08/2,847,928
  6. Step 6: Final answer
    x = 1,280,285.72

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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.