Home / 3,980,619.21-5,493,446.01-2,238,834.09

Finding the Fourth Proportional to 3,980,619.21, 5,493,446.01 and 2,238,834.09

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Solution

The fourth proportional to 3,980,619.21, 5,493,446.01 and 2,238,834.09 is: 3,089,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,619.21 : 5,493,446.01 = 2,238,834.09 : x
  2. Step 2: Convert to fraction form
    3,980,619.21/5,493,446.01 = 2,238,834.09/x
  3. Step 3: Cross multiply
    3,980,619.21x = 5,493,446.01 × 2,238,834.09
  4. Step 4: Simplify right side
    3,980,619.21x = 12,298,914,198,762.48
  5. Step 5: Solve for x
    x = 12,298,914,198,762.48/3,980,619.21
  6. Step 6: Final answer
    x = 3,089,698.75

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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.