Home / 1,947,480.72-2,920,948.92-668,067.30

Finding the Fourth Proportional to 1,947,480.72, 2,920,948.92 and 668,067.30

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Solution

The fourth proportional to 1,947,480.72, 2,920,948.92 and 668,067.30 is: 1,002,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,480.72 : 2,920,948.92 = 668,067.30 : x
  2. Step 2: Convert to fraction form
    1,947,480.72/2,920,948.92 = 668,067.30/x
  3. Step 3: Cross multiply
    1,947,480.72x = 2,920,948.92 × 668,067.30
  4. Step 4: Simplify right side
    1,947,480.72x = 1,951,390,458,422.32
  5. Step 5: Solve for x
    x = 1,951,390,458,422.32/1,947,480.72
  6. Step 6: Final answer
    x = 1,002,007.59

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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.