Home / 1,928,729.17-2,892,890.78-791,611.61

Finding the Fourth Proportional to 1,928,729.17, 2,892,890.78 and 791,611.61

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Solution

The fourth proportional to 1,928,729.17, 2,892,890.78 and 791,611.61 is: 1,187,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,729.17 : 2,892,890.78 = 791,611.61 : x
  2. Step 2: Convert to fraction form
    1,928,729.17/2,892,890.78 = 791,611.61/x
  3. Step 3: Cross multiply
    1,928,729.17x = 2,892,890.78 × 791,611.61
  4. Step 4: Simplify right side
    1,928,729.17x = 2,290,045,923,951.90
  5. Step 5: Solve for x
    x = 2,290,045,923,951.90/1,928,729.17
  6. Step 6: Final answer
    x = 1,187,334.11

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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.