Home / 2,618,910.92-3,927,221.18-1,321,264.94

Finding the Fourth Proportional to 2,618,910.92, 3,927,221.18 and 1,321,264.94

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Solution

The fourth proportional to 2,618,910.92, 3,927,221.18 and 1,321,264.94 is: 1,981,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,910.92 : 3,927,221.18 = 1,321,264.94 : x
  2. Step 2: Convert to fraction form
    2,618,910.92/3,927,221.18 = 1,321,264.94/x
  3. Step 3: Cross multiply
    2,618,910.92x = 3,927,221.18 × 1,321,264.94
  4. Step 4: Simplify right side
    2,618,910.92x = 5,188,899,669,880.64
  5. Step 5: Solve for x
    x = 5,188,899,669,880.64/2,618,910.92
  6. Step 6: Final answer
    x = 1,981,319.65

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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.