Home / 1,995,028.85-2,992,964.09-647,086.77

Finding the Fourth Proportional to 1,995,028.85, 2,992,964.09 and 647,086.77

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Solution

The fourth proportional to 1,995,028.85, 2,992,964.09 and 647,086.77 is: 970,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,028.85 : 2,992,964.09 = 647,086.77 : x
  2. Step 2: Convert to fraction form
    1,995,028.85/2,992,964.09 = 647,086.77/x
  3. Step 3: Cross multiply
    1,995,028.85x = 2,992,964.09 × 647,086.77
  4. Step 4: Simplify right side
    1,995,028.85x = 1,936,707,462,488.66
  5. Step 5: Solve for x
    x = 1,936,707,462,488.66/1,995,028.85
  6. Step 6: Final answer
    x = 970,766.64

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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.