Home / 6,425,721.20-9,641,102.40-2,828,964.72

Finding the Fourth Proportional to 6,425,721.20, 9,641,102.40 and 2,828,964.72

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Solution

The fourth proportional to 6,425,721.20, 9,641,102.40 and 2,828,964.72 is: 4,244,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425,721.20 : 9,641,102.40 = 2,828,964.72 : x
  2. Step 2: Convert to fraction form
    6,425,721.20/9,641,102.40 = 2,828,964.72/x
  3. Step 3: Cross multiply
    6,425,721.20x = 9,641,102.40 × 2,828,964.72
  4. Step 4: Simplify right side
    6,425,721.20x = 27,274,338,551,507.33
  5. Step 5: Solve for x
    x = 27,274,338,551,507.33/6,425,721.20
  6. Step 6: Final answer
    x = 4,244,556.79

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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.