Home / 2,767,786.52-4,146,121.79-1,378,736.73

Finding the Fourth Proportional to 2,767,786.52, 4,146,121.79 and 1,378,736.73

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Solution

The fourth proportional to 2,767,786.52, 4,146,121.79 and 1,378,736.73 is: 2,065,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,786.52 : 4,146,121.79 = 1,378,736.73 : x
  2. Step 2: Convert to fraction form
    2,767,786.52/4,146,121.79 = 1,378,736.73/x
  3. Step 3: Cross multiply
    2,767,786.52x = 4,146,121.79 × 1,378,736.73
  4. Step 4: Simplify right side
    2,767,786.52x = 5,716,410,398,926.35
  5. Step 5: Solve for x
    x = 5,716,410,398,926.35/2,767,786.52
  6. Step 6: Final answer
    x = 2,065,336.45

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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.