Home / 2,040,019.65-2,815,138.19-1,122,190.54

Finding the Fourth Proportional to 2,040,019.65, 2,815,138.19 and 1,122,190.54

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Solution

The fourth proportional to 2,040,019.65, 2,815,138.19 and 1,122,190.54 is: 1,548,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,019.65 : 2,815,138.19 = 1,122,190.54 : x
  2. Step 2: Convert to fraction form
    2,040,019.65/2,815,138.19 = 1,122,190.54/x
  3. Step 3: Cross multiply
    2,040,019.65x = 2,815,138.19 × 1,122,190.54
  4. Step 4: Simplify right side
    2,040,019.65x = 3,159,121,441,378.35
  5. Step 5: Solve for x
    x = 3,159,121,441,378.35/2,040,019.65
  6. Step 6: Final answer
    x = 1,548,574.03

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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.