Home / 2,165,177.19-2,987,611.67-1,247,227.04

Finding the Fourth Proportional to 2,165,177.19, 2,987,611.67 and 1,247,227.04

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Solution

The fourth proportional to 2,165,177.19, 2,987,611.67 and 1,247,227.04 is: 1,720,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,177.19 : 2,987,611.67 = 1,247,227.04 : x
  2. Step 2: Convert to fraction form
    2,165,177.19/2,987,611.67 = 1,247,227.04/x
  3. Step 3: Cross multiply
    2,165,177.19x = 2,987,611.67 × 1,247,227.04
  4. Step 4: Simplify right side
    2,165,177.19x = 3,726,230,048,023.57
  5. Step 5: Solve for x
    x = 3,726,230,048,023.57/2,165,177.19
  6. Step 6: Final answer
    x = 1,720,981.58

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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.