Home / 2,140,694.08-3,208,793.36-720,257.02

Finding the Fourth Proportional to 2,140,694.08, 3,208,793.36 and 720,257.02

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Solution

The fourth proportional to 2,140,694.08, 3,208,793.36 and 720,257.02 is: 1,079,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,694.08 : 3,208,793.36 = 720,257.02 : x
  2. Step 2: Convert to fraction form
    2,140,694.08/3,208,793.36 = 720,257.02/x
  3. Step 3: Cross multiply
    2,140,694.08x = 3,208,793.36 × 720,257.02
  4. Step 4: Simplify right side
    2,140,694.08x = 2,311,155,943,269.39
  5. Step 5: Solve for x
    x = 2,311,155,943,269.39/2,140,694.08
  6. Step 6: Final answer
    x = 1,079,629.25

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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.