Home / 2,256,745.92-3,385,961.55-909,290.79

Finding the Fourth Proportional to 2,256,745.92, 3,385,961.55 and 909,290.79

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Solution

The fourth proportional to 2,256,745.92, 3,385,961.55 and 909,290.79 is: 1,364,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,745.92 : 3,385,961.55 = 909,290.79 : x
  2. Step 2: Convert to fraction form
    2,256,745.92/3,385,961.55 = 909,290.79/x
  3. Step 3: Cross multiply
    2,256,745.92x = 3,385,961.55 × 909,290.79
  4. Step 4: Simplify right side
    2,256,745.92x = 3,078,823,652,709.12
  5. Step 5: Solve for x
    x = 3,078,823,652,709.12/2,256,745.92
  6. Step 6: Final answer
    x = 1,364,275.71

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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.