Home / 3,449,399.63-5,178,677.57-2,947,187.88

Finding the Fourth Proportional to 3,449,399.63, 5,178,677.57 and 2,947,187.88

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Solution

The fourth proportional to 3,449,399.63, 5,178,677.57 and 2,947,187.88 is: 4,424,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449,399.63 : 5,178,677.57 = 2,947,187.88 : x
  2. Step 2: Convert to fraction form
    3,449,399.63/5,178,677.57 = 2,947,187.88/x
  3. Step 3: Cross multiply
    3,449,399.63x = 5,178,677.57 × 2,947,187.88
  4. Step 4: Simplify right side
    3,449,399.63x = 15,262,535,753,995.91
  5. Step 5: Solve for x
    x = 15,262,535,753,995.91/3,449,399.63
  6. Step 6: Final answer
    x = 4,424,693.40

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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.