Home / 2,199,801.70-3,299,702.55-2,120,085.55

Finding the Fourth Proportional to 2,199,801.70, 3,299,702.55 and 2,120,085.55

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Solution

The fourth proportional to 2,199,801.70, 3,299,702.55 and 2,120,085.55 is: 3,180,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,801.70 : 3,299,702.55 = 2,120,085.55 : x
  2. Step 2: Convert to fraction form
    2,199,801.70/3,299,702.55 = 2,120,085.55/x
  3. Step 3: Cross multiply
    2,199,801.70x = 3,299,702.55 × 2,120,085.55
  4. Step 4: Simplify right side
    2,199,801.70x = 6,995,651,695,553.15
  5. Step 5: Solve for x
    x = 6,995,651,695,553.15/2,199,801.70
  6. Step 6: Final answer
    x = 3,180,128.33

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1.5x scale

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.