Home / 2,588,404.80-3,882,607.20-990,145.20

Finding the Fourth Proportional to 2,588,404.80, 3,882,607.20 and 990,145.20

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Solution

The fourth proportional to 2,588,404.80, 3,882,607.20 and 990,145.20 is: 1,485,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,404.80 : 3,882,607.20 = 990,145.20 : x
  2. Step 2: Convert to fraction form
    2,588,404.80/3,882,607.20 = 990,145.20/x
  3. Step 3: Cross multiply
    2,588,404.80x = 3,882,607.20 × 990,145.20
  4. Step 4: Simplify right side
    2,588,404.80x = 3,844,344,882,565.44
  5. Step 5: Solve for x
    x = 3,844,344,882,565.44/2,588,404.80
  6. Step 6: Final answer
    x = 1,485,217.80

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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.