Home / 3,855,155.34-5,320,145.62-2,136,304.56

Finding the Fourth Proportional to 3,855,155.34, 5,320,145.62 and 2,136,304.56

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Solution

The fourth proportional to 3,855,155.34, 5,320,145.62 and 2,136,304.56 is: 2,948,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,155.34 : 5,320,145.62 = 2,136,304.56 : x
  2. Step 2: Convert to fraction form
    3,855,155.34/5,320,145.62 = 2,136,304.56/x
  3. Step 3: Cross multiply
    3,855,155.34x = 5,320,145.62 × 2,136,304.56
  4. Step 4: Simplify right side
    3,855,155.34x = 11,365,451,315,928.54
  5. Step 5: Solve for x
    x = 11,365,451,315,928.54/3,855,155.34
  6. Step 6: Final answer
    x = 2,948,117.61

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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.