Home / 2,319,961.70-3,480,270.60-722,358.20

Finding the Fourth Proportional to 2,319,961.70, 3,480,270.60 and 722,358.20

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Solution

The fourth proportional to 2,319,961.70, 3,480,270.60 and 722,358.20 is: 1,083,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,961.70 : 3,480,270.60 = 722,358.20 : x
  2. Step 2: Convert to fraction form
    2,319,961.70/3,480,270.60 = 722,358.20/x
  3. Step 3: Cross multiply
    2,319,961.70x = 3,480,270.60 × 722,358.20
  4. Step 4: Simplify right side
    2,319,961.70x = 2,514,002,006,128.92
  5. Step 5: Solve for x
    x = 2,514,002,006,128.92/2,319,961.70
  6. Step 6: Final answer
    x = 1,083,639.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.