Home / 1,992,189.15-2,972,745.82-1,777,481.13

Finding the Fourth Proportional to 1,992,189.15, 2,972,745.82 and 1,777,481.13

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Solution

The fourth proportional to 1,992,189.15, 2,972,745.82 and 1,777,481.13 is: 2,652,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,189.15 : 2,972,745.82 = 1,777,481.13 : x
  2. Step 2: Convert to fraction form
    1,992,189.15/2,972,745.82 = 1,777,481.13/x
  3. Step 3: Cross multiply
    1,992,189.15x = 2,972,745.82 × 1,777,481.13
  4. Step 4: Simplify right side
    1,992,189.15x = 5,283,999,594,892.67
  5. Step 5: Solve for x
    x = 5,283,999,594,892.67/1,992,189.15
  6. Step 6: Final answer
    x = 2,652,358.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.