Home / 1,928,729.40-2,892,891.15-791,611.86

Finding the Fourth Proportional to 1,928,729.40, 2,892,891.15 and 791,611.86

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Solution

The fourth proportional to 1,928,729.40, 2,892,891.15 and 791,611.86 is: 1,187,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,729.40 : 2,892,891.15 = 791,611.86 : x
  2. Step 2: Convert to fraction form
    1,928,729.40/2,892,891.15 = 791,611.86/x
  3. Step 3: Cross multiply
    1,928,729.40x = 2,892,891.15 × 791,611.86
  4. Step 4: Simplify right side
    1,928,729.40x = 2,290,046,944,029.04
  5. Step 5: Solve for x
    x = 2,290,046,944,029.04/1,928,729.40
  6. Step 6: Final answer
    x = 1,187,334.49

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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.