Home / 3,984,849.83-5,978,032.52-2,759,027.21

Finding the Fourth Proportional to 3,984,849.83, 5,978,032.52 and 2,759,027.21

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Solution

The fourth proportional to 3,984,849.83, 5,978,032.52 and 2,759,027.21 is: 4,139,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,849.83 : 5,978,032.52 = 2,759,027.21 : x
  2. Step 2: Convert to fraction form
    3,984,849.83/5,978,032.52 = 2,759,027.21/x
  3. Step 3: Cross multiply
    3,984,849.83x = 5,978,032.52 × 2,759,027.21
  4. Step 4: Simplify right side
    3,984,849.83x = 16,493,554,394,716.78
  5. Step 5: Solve for x
    x = 16,493,554,394,716.78/3,984,849.83
  6. Step 6: Final answer
    x = 4,139,065.49

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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.