Home / 3,106,169.78-4,659,759.52-917,961.46

Finding the Fourth Proportional to 3,106,169.78, 4,659,759.52 and 917,961.46

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Solution

The fourth proportional to 3,106,169.78, 4,659,759.52 and 917,961.46 is: 1,377,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,169.78 : 4,659,759.52 = 917,961.46 : x
  2. Step 2: Convert to fraction form
    3,106,169.78/4,659,759.52 = 917,961.46/x
  3. Step 3: Cross multiply
    3,106,169.78x = 4,659,759.52 × 917,961.46
  4. Step 4: Simplify right side
    3,106,169.78x = 4,277,479,652,440.32
  5. Step 5: Solve for x
    x = 4,277,479,652,440.32/3,106,169.78
  6. Step 6: Final answer
    x = 1,377,091.39

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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.