Home / 1,945,480.96-2,684,719.08-1,086,121.20

Finding the Fourth Proportional to 1,945,480.96, 2,684,719.08 and 1,086,121.20

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Solution

The fourth proportional to 1,945,480.96, 2,684,719.08 and 1,086,121.20 is: 1,498,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,480.96 : 2,684,719.08 = 1,086,121.20 : x
  2. Step 2: Convert to fraction form
    1,945,480.96/2,684,719.08 = 1,086,121.20/x
  3. Step 3: Cross multiply
    1,945,480.96x = 2,684,719.08 × 1,086,121.20
  4. Step 4: Simplify right side
    1,945,480.96x = 2,915,930,308,832.50
  5. Step 5: Solve for x
    x = 2,915,930,308,832.50/1,945,480.96
  6. Step 6: Final answer
    x = 1,498,822.33

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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.