Home / 3,991,811.40-5,986,404.90-1,467,138.60

Finding the Fourth Proportional to 3,991,811.40, 5,986,404.90 and 1,467,138.60

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Solution

The fourth proportional to 3,991,811.40, 5,986,404.90 and 1,467,138.60 is: 2,200,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,811.40 : 5,986,404.90 = 1,467,138.60 : x
  2. Step 2: Convert to fraction form
    3,991,811.40/5,986,404.90 = 1,467,138.60/x
  3. Step 3: Cross multiply
    3,991,811.40x = 5,986,404.90 × 1,467,138.60
  4. Step 4: Simplify right side
    3,991,811.40x = 8,782,885,704,019.14
  5. Step 5: Solve for x
    x = 8,782,885,704,019.14/3,991,811.40
  6. Step 6: Final answer
    x = 2,200,225.62

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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.