Home / 2,040,020.65-2,815,139.57-1,122,191.54

Finding the Fourth Proportional to 2,040,020.65, 2,815,139.57 and 1,122,191.54

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Solution

The fourth proportional to 2,040,020.65, 2,815,139.57 and 1,122,191.54 is: 1,548,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,020.65 : 2,815,139.57 = 1,122,191.54 : x
  2. Step 2: Convert to fraction form
    2,040,020.65/2,815,139.57 = 1,122,191.54/x
  3. Step 3: Cross multiply
    2,040,020.65x = 2,815,139.57 × 1,122,191.54
  4. Step 4: Simplify right side
    2,040,020.65x = 3,159,125,809,373.24
  5. Step 5: Solve for x
    x = 3,159,125,809,373.24/2,040,020.65
  6. Step 6: Final answer
    x = 1,548,575.41

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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.