Home / 2,589,749.20-3,883,241.40-1,092,149.20

Finding the Fourth Proportional to 2,589,749.20, 3,883,241.40 and 1,092,149.20

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Solution

The fourth proportional to 2,589,749.20, 3,883,241.40 and 1,092,149.20 is: 1,637,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,749.20 : 3,883,241.40 = 1,092,149.20 : x
  2. Step 2: Convert to fraction form
    2,589,749.20/3,883,241.40 = 1,092,149.20/x
  3. Step 3: Cross multiply
    2,589,749.20x = 3,883,241.40 × 1,092,149.20
  4. Step 4: Simplify right side
    2,589,749.20x = 4,241,078,988,416.88
  5. Step 5: Solve for x
    x = 4,241,078,988,416.88/2,589,749.20
  6. Step 6: Final answer
    x = 1,637,640.81

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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.