Home / 2,188,239.92-3,019,923.24-1,221,558.92

Finding the Fourth Proportional to 2,188,239.92, 3,019,923.24 and 1,221,558.92

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Solution

The fourth proportional to 2,188,239.92, 3,019,923.24 and 1,221,558.92 is: 1,685,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,239.92 : 3,019,923.24 = 1,221,558.92 : x
  2. Step 2: Convert to fraction form
    2,188,239.92/3,019,923.24 = 1,221,558.92/x
  3. Step 3: Cross multiply
    2,188,239.92x = 3,019,923.24 × 1,221,558.92
  4. Step 4: Simplify right side
    2,188,239.92x = 3,689,014,171,537.30
  5. Step 5: Solve for x
    x = 3,689,014,171,537.30/2,188,239.92
  6. Step 6: Final answer
    x = 1,685,836.25

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1.5x scale

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.