Home / 2,813,073.23-4,219,630.74-791,521.61

Finding the Fourth Proportional to 2,813,073.23, 4,219,630.74 and 791,521.61

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Solution

The fourth proportional to 2,813,073.23, 4,219,630.74 and 791,521.61 is: 1,187,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,073.23 : 4,219,630.74 = 791,521.61 : x
  2. Step 2: Convert to fraction form
    2,813,073.23/4,219,630.74 = 791,521.61/x
  3. Step 3: Cross multiply
    2,813,073.23x = 4,219,630.74 × 791,521.61
  4. Step 4: Simplify right side
    2,813,073.23x = 3,339,928,895,832.14
  5. Step 5: Solve for x
    x = 3,339,928,895,832.14/2,813,073.23
  6. Step 6: Final answer
    x = 1,187,288.29

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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.