Home / 2,640,340.60-3,961,363.90-1,221,327.56

Finding the Fourth Proportional to 2,640,340.60, 3,961,363.90 and 1,221,327.56

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Solution

The fourth proportional to 2,640,340.60, 3,961,363.90 and 1,221,327.56 is: 1,832,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,340.60 : 3,961,363.90 = 1,221,327.56 : x
  2. Step 2: Convert to fraction form
    2,640,340.60/3,961,363.90 = 1,221,327.56/x
  3. Step 3: Cross multiply
    2,640,340.60x = 3,961,363.90 × 1,221,327.56
  4. Step 4: Simplify right side
    2,640,340.60x = 4,838,122,906,259.08
  5. Step 5: Solve for x
    x = 4,838,122,906,259.08/2,640,340.60
  6. Step 6: Final answer
    x = 1,832,385.91

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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.