Home / 3,965,393.28-5,470,950.50-2,311,162.88

Finding the Fourth Proportional to 3,965,393.28, 5,470,950.50 and 2,311,162.88

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Solution

The fourth proportional to 3,965,393.28, 5,470,950.50 and 2,311,162.88 is: 3,188,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,393.28 : 5,470,950.50 = 2,311,162.88 : x
  2. Step 2: Convert to fraction form
    3,965,393.28/5,470,950.50 = 2,311,162.88/x
  3. Step 3: Cross multiply
    3,965,393.28x = 5,470,950.50 × 2,311,162.88
  4. Step 4: Simplify right side
    3,965,393.28x = 12,644,257,713,917.44
  5. Step 5: Solve for x
    x = 12,644,257,713,917.44/3,965,393.28
  6. Step 6: Final answer
    x = 3,188,651.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.