Home / 1,982,225.25-2,735,238.78-1,166,249.48

Finding the Fourth Proportional to 1,982,225.25, 2,735,238.78 and 1,166,249.48

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Solution

The fourth proportional to 1,982,225.25, 2,735,238.78 and 1,166,249.48 is: 1,609,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,225.25 : 2,735,238.78 = 1,166,249.48 : x
  2. Step 2: Convert to fraction form
    1,982,225.25/2,735,238.78 = 1,166,249.48/x
  3. Step 3: Cross multiply
    1,982,225.25x = 2,735,238.78 × 1,166,249.48
  4. Step 4: Simplify right side
    1,982,225.25x = 3,189,970,791,174.64
  5. Step 5: Solve for x
    x = 3,189,970,791,174.64/1,982,225.25
  6. Step 6: Final answer
    x = 1,609,287.74

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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.