Home / 2,783,144.52-3,811,961.61-2,619,731.88

Finding the Fourth Proportional to 2,783,144.52, 3,811,961.61 and 2,619,731.88

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Solution

The fourth proportional to 2,783,144.52, 3,811,961.61 and 2,619,731.88 is: 3,588,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,144.52 : 3,811,961.61 = 2,619,731.88 : x
  2. Step 2: Convert to fraction form
    2,783,144.52/3,811,961.61 = 2,619,731.88/x
  3. Step 3: Cross multiply
    2,783,144.52x = 3,811,961.61 × 2,619,731.88
  4. Step 4: Simplify right side
    2,783,144.52x = 9,986,317,355,053.13
  5. Step 5: Solve for x
    x = 9,986,317,355,053.13/2,783,144.52
  6. Step 6: Final answer
    x = 3,588,141.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.