Home / 2,100,924.60-3,147,758.10-976,687.80

Finding the Fourth Proportional to 2,100,924.60, 3,147,758.10 and 976,687.80

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Solution

The fourth proportional to 2,100,924.60, 3,147,758.10 and 976,687.80 is: 1,463,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,924.60 : 3,147,758.10 = 976,687.80 : x
  2. Step 2: Convert to fraction form
    2,100,924.60/3,147,758.10 = 976,687.80/x
  3. Step 3: Cross multiply
    2,100,924.60x = 3,147,758.10 × 976,687.80
  4. Step 4: Simplify right side
    2,100,924.60x = 3,074,376,933,621.18
  5. Step 5: Solve for x
    x = 3,074,376,933,621.18/2,100,924.60
  6. Step 6: Final answer
    x = 1,463,344.73

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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.