Home / 2,756,759.88-4,135,399.14-811,489.72

Finding the Fourth Proportional to 2,756,759.88, 4,135,399.14 and 811,489.72

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Solution

The fourth proportional to 2,756,759.88, 4,135,399.14 and 811,489.72 is: 1,217,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756,759.88 : 4,135,399.14 = 811,489.72 : x
  2. Step 2: Convert to fraction form
    2,756,759.88/4,135,399.14 = 811,489.72/x
  3. Step 3: Cross multiply
    2,756,759.88x = 4,135,399.14 × 811,489.72
  4. Step 4: Simplify right side
    2,756,759.88x = 3,355,833,890,206.84
  5. Step 5: Solve for x
    x = 3,355,833,890,206.84/2,756,759.88
  6. Step 6: Final answer
    x = 1,217,310.91

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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.