Home / 2,187,443.79-3,019,306.05-1,269,879.03

Finding the Fourth Proportional to 2,187,443.79, 3,019,306.05 and 1,269,879.03

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Solution

The fourth proportional to 2,187,443.79, 3,019,306.05 and 1,269,879.03 is: 1,752,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,443.79 : 3,019,306.05 = 1,269,879.03 : x
  2. Step 2: Convert to fraction form
    2,187,443.79/3,019,306.05 = 1,269,879.03/x
  3. Step 3: Cross multiply
    2,187,443.79x = 3,019,306.05 × 1,269,879.03
  4. Step 4: Simplify right side
    2,187,443.79x = 3,834,153,438,047.13
  5. Step 5: Solve for x
    x = 3,834,153,438,047.13/2,187,443.79
  6. Step 6: Final answer
    x = 1,752,800.90

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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.