Home / 2,085,375.24-3,128,117.67-665,429.85

Finding the Fourth Proportional to 2,085,375.24, 3,128,117.67 and 665,429.85

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Solution

The fourth proportional to 2,085,375.24, 3,128,117.67 and 665,429.85 is: 998,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,375.24 : 3,128,117.67 = 665,429.85 : x
  2. Step 2: Convert to fraction form
    2,085,375.24/3,128,117.67 = 665,429.85/x
  3. Step 3: Cross multiply
    2,085,375.24x = 3,128,117.67 × 665,429.85
  4. Step 4: Simplify right side
    2,085,375.24x = 2,081,542,871,930.45
  5. Step 5: Solve for x
    x = 2,081,542,871,930.45/2,085,375.24
  6. Step 6: Final answer
    x = 998,162.26

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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.