Home / 2,811,358.86-3,879,658.80-1,522,172.58

Finding the Fourth Proportional to 2,811,358.86, 3,879,658.80 and 1,522,172.58

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Solution

The fourth proportional to 2,811,358.86, 3,879,658.80 and 1,522,172.58 is: 2,100,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,358.86 : 3,879,658.80 = 1,522,172.58 : x
  2. Step 2: Convert to fraction form
    2,811,358.86/3,879,658.80 = 1,522,172.58/x
  3. Step 3: Cross multiply
    2,811,358.86x = 3,879,658.80 × 1,522,172.58
  4. Step 4: Simplify right side
    2,811,358.86x = 5,905,510,245,115.70
  5. Step 5: Solve for x
    x = 5,905,510,245,115.70/2,811,358.86
  6. Step 6: Final answer
    x = 2,100,589.27

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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.