Home / 2,783,760.12-4,175,642.48-762,020.80

Finding the Fourth Proportional to 2,783,760.12, 4,175,642.48 and 762,020.80

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Solution

The fourth proportional to 2,783,760.12, 4,175,642.48 and 762,020.80 is: 1,143,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,760.12 : 4,175,642.48 = 762,020.80 : x
  2. Step 2: Convert to fraction form
    2,783,760.12/4,175,642.48 = 762,020.80/x
  3. Step 3: Cross multiply
    2,783,760.12x = 4,175,642.48 × 762,020.80
  4. Step 4: Simplify right side
    2,783,760.12x = 3,181,926,423,123.58
  5. Step 5: Solve for x
    x = 3,181,926,423,123.58/2,783,760.12
  6. Step 6: Final answer
    x = 1,143,031.83

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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.