Home / 2,850,781.75-3,934,079.52-1,561,667.96

Finding the Fourth Proportional to 2,850,781.75, 3,934,079.52 and 1,561,667.96

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Solution

The fourth proportional to 2,850,781.75, 3,934,079.52 and 1,561,667.96 is: 2,155,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,781.75 : 3,934,079.52 = 1,561,667.96 : x
  2. Step 2: Convert to fraction form
    2,850,781.75/3,934,079.52 = 1,561,667.96/x
  3. Step 3: Cross multiply
    2,850,781.75x = 3,934,079.52 × 1,561,667.96
  4. Step 4: Simplify right side
    2,850,781.75x = 6,143,725,942,455.12
  5. Step 5: Solve for x
    x = 6,143,725,942,455.12/2,850,781.75
  6. Step 6: Final answer
    x = 2,155,102.17

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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.