Home / 3,398,979.96-4,689,535.77-1,928,645.28

Finding the Fourth Proportional to 3,398,979.96, 4,689,535.77 and 1,928,645.28

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Solution

The fourth proportional to 3,398,979.96, 4,689,535.77 and 1,928,645.28 is: 2,660,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,979.96 : 4,689,535.77 = 1,928,645.28 : x
  2. Step 2: Convert to fraction form
    3,398,979.96/4,689,535.77 = 1,928,645.28/x
  3. Step 3: Cross multiply
    3,398,979.96x = 4,689,535.77 × 1,928,645.28
  4. Step 4: Simplify right side
    3,398,979.96x = 9,044,451,028,201.66
  5. Step 5: Solve for x
    x = 9,044,451,028,201.66/3,398,979.96
  6. Step 6: Final answer
    x = 2,660,930.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.