Home / 1,789,062.93-2,469,821.22-1,380,247.02

Finding the Fourth Proportional to 1,789,062.93, 2,469,821.22 and 1,380,247.02

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Solution

The fourth proportional to 1,789,062.93, 2,469,821.22 and 1,380,247.02 is: 1,905,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,062.93 : 2,469,821.22 = 1,380,247.02 : x
  2. Step 2: Convert to fraction form
    1,789,062.93/2,469,821.22 = 1,380,247.02/x
  3. Step 3: Cross multiply
    1,789,062.93x = 2,469,821.22 × 1,380,247.02
  4. Step 4: Simplify right side
    1,789,062.93x = 3,408,963,378,837.76
  5. Step 5: Solve for x
    x = 3,408,963,378,837.76/1,789,062.93
  6. Step 6: Final answer
    x = 1,905,446.32

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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.