Home / 6,251,058.28-9,378,001.50-1,991,469.16

Finding the Fourth Proportional to 6,251,058.28, 9,378,001.50 and 1,991,469.16

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Solution

The fourth proportional to 6,251,058.28, 9,378,001.50 and 1,991,469.16 is: 2,987,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251,058.28 : 9,378,001.50 = 1,991,469.16 : x
  2. Step 2: Convert to fraction form
    6,251,058.28/9,378,001.50 = 1,991,469.16/x
  3. Step 3: Cross multiply
    6,251,058.28x = 9,378,001.50 × 1,991,469.16
  4. Step 4: Simplify right side
    6,251,058.28x = 18,676,000,769,683.74
  5. Step 5: Solve for x
    x = 18,676,000,769,683.74/6,251,058.28
  6. Step 6: Final answer
    x = 2,987,654.24

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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.