Home / 2,921,835.78-4,382,753.59-791,919.85

Finding the Fourth Proportional to 2,921,835.78, 4,382,753.59 and 791,919.85

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Solution

The fourth proportional to 2,921,835.78, 4,382,753.59 and 791,919.85 is: 1,187,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,835.78 : 4,382,753.59 = 791,919.85 : x
  2. Step 2: Convert to fraction form
    2,921,835.78/4,382,753.59 = 791,919.85/x
  3. Step 3: Cross multiply
    2,921,835.78x = 4,382,753.59 × 791,919.85
  4. Step 4: Simplify right side
    2,921,835.78x = 3,470,789,565,579.76
  5. Step 5: Solve for x
    x = 3,470,789,565,579.76/2,921,835.78
  6. Step 6: Final answer
    x = 1,187,879.75

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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.