Home / 3,305,862.20-4,961,709.30-1,956,337.40

Finding the Fourth Proportional to 3,305,862.20, 4,961,709.30 and 1,956,337.40

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Solution

The fourth proportional to 3,305,862.20, 4,961,709.30 and 1,956,337.40 is: 2,936,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305,862.20 : 4,961,709.30 = 1,956,337.40 : x
  2. Step 2: Convert to fraction form
    3,305,862.20/4,961,709.30 = 1,956,337.40/x
  3. Step 3: Cross multiply
    3,305,862.20x = 4,961,709.30 × 1,956,337.40
  4. Step 4: Simplify right side
    3,305,862.20x = 9,706,777,471,517.82
  5. Step 5: Solve for x
    x = 9,706,777,471,517.82/3,305,862.20
  6. Step 6: Final answer
    x = 2,936,231.73

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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.