Home / 1,942,944.60-2,910,480.30-1,100,512.20

Finding the Fourth Proportional to 1,942,944.60, 2,910,480.30 and 1,100,512.20

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Solution

The fourth proportional to 1,942,944.60, 2,910,480.30 and 1,100,512.20 is: 1,648,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,944.60 : 2,910,480.30 = 1,100,512.20 : x
  2. Step 2: Convert to fraction form
    1,942,944.60/2,910,480.30 = 1,100,512.20/x
  3. Step 3: Cross multiply
    1,942,944.60x = 2,910,480.30 × 1,100,512.20
  4. Step 4: Simplify right side
    1,942,944.60x = 3,203,019,078,009.66
  5. Step 5: Solve for x
    x = 3,203,019,078,009.66/1,942,944.60
  6. Step 6: Final answer
    x = 1,648,538.55

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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.