Home / 3,768,128.92-5,199,906.90-2,136,685.24

Finding the Fourth Proportional to 3,768,128.92, 5,199,906.90 and 2,136,685.24

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Solution

The fourth proportional to 3,768,128.92, 5,199,906.90 and 2,136,685.24 is: 2,948,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,128.92 : 5,199,906.90 = 2,136,685.24 : x
  2. Step 2: Convert to fraction form
    3,768,128.92/5,199,906.90 = 2,136,685.24/x
  3. Step 3: Cross multiply
    3,768,128.92x = 5,199,906.90 × 2,136,685.24
  4. Step 4: Simplify right side
    3,768,128.92x = 11,110,564,322,604.16
  5. Step 5: Solve for x
    x = 11,110,564,322,604.16/3,768,128.92
  6. Step 6: Final answer
    x = 2,948,562.68

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1.5x scale

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.