Home / 2,839,947.28-4,256,765.44-2,163,799.38

Finding the Fourth Proportional to 2,839,947.28, 4,256,765.44 and 2,163,799.38

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Solution

The fourth proportional to 2,839,947.28, 4,256,765.44 and 2,163,799.38 is: 3,243,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,947.28 : 4,256,765.44 = 2,163,799.38 : x
  2. Step 2: Convert to fraction form
    2,839,947.28/4,256,765.44 = 2,163,799.38/x
  3. Step 3: Cross multiply
    2,839,947.28x = 4,256,765.44 × 2,163,799.38
  4. Step 4: Simplify right side
    2,839,947.28x = 9,210,786,419,877.43
  5. Step 5: Solve for x
    x = 9,210,786,419,877.43/2,839,947.28
  6. Step 6: Final answer
    x = 3,243,294.86

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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.