Home / 2,811,377.85-4,217,052.74-681,462.06

Finding the Fourth Proportional to 2,811,377.85, 4,217,052.74 and 681,462.06

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Solution

The fourth proportional to 2,811,377.85, 4,217,052.74 and 681,462.06 is: 1,022,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,377.85 : 4,217,052.74 = 681,462.06 : x
  2. Step 2: Convert to fraction form
    2,811,377.85/4,217,052.74 = 681,462.06/x
  3. Step 3: Cross multiply
    2,811,377.85x = 4,217,052.74 × 681,462.06
  4. Step 4: Simplify right side
    2,811,377.85x = 2,873,761,443,921.73
  5. Step 5: Solve for x
    x = 2,873,761,443,921.73/2,811,377.85
  6. Step 6: Final answer
    x = 1,022,189.69

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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.