Home / 2,880,381.44-3,974,913.92-1,591,221.76

Finding the Fourth Proportional to 2,880,381.44, 3,974,913.92 and 1,591,221.76

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Solution

The fourth proportional to 2,880,381.44, 3,974,913.92 and 1,591,221.76 is: 2,195,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,381.44 : 3,974,913.92 = 1,591,221.76 : x
  2. Step 2: Convert to fraction form
    2,880,381.44/3,974,913.92 = 1,591,221.76/x
  3. Step 3: Cross multiply
    2,880,381.44x = 3,974,913.92 × 1,591,221.76
  4. Step 4: Simplify right side
    2,880,381.44x = 6,324,969,523,630.90
  5. Step 5: Solve for x
    x = 6,324,969,523,630.90/2,880,381.44
  6. Step 6: Final answer
    x = 2,195,879.14

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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.