Home / 3,213,847.80-4,437,187.56-1,991,450.52

Finding the Fourth Proportional to 3,213,847.80, 4,437,187.56 and 1,991,450.52

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Solution

The fourth proportional to 3,213,847.80, 4,437,187.56 and 1,991,450.52 is: 2,749,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,847.80 : 4,437,187.56 = 1,991,450.52 : x
  2. Step 2: Convert to fraction form
    3,213,847.80/4,437,187.56 = 1,991,450.52/x
  3. Step 3: Cross multiply
    3,213,847.80x = 4,437,187.56 × 1,991,450.52
  4. Step 4: Simplify right side
    3,213,847.80x = 8,836,439,473,699.53
  5. Step 5: Solve for x
    x = 8,836,439,473,699.53/3,213,847.80
  6. Step 6: Final answer
    x = 2,749,489.09

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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.