Home / 3,489,633.27-4,819,365.30-3,109,233.78

Finding the Fourth Proportional to 3,489,633.27, 4,819,365.30 and 3,109,233.78

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Solution

The fourth proportional to 3,489,633.27, 4,819,365.30 and 3,109,233.78 is: 4,294,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,633.27 : 4,819,365.30 = 3,109,233.78 : x
  2. Step 2: Convert to fraction form
    3,489,633.27/4,819,365.30 = 3,109,233.78/x
  3. Step 3: Cross multiply
    3,489,633.27x = 4,819,365.30 × 3,109,233.78
  4. Step 4: Simplify right side
    3,489,633.27x = 14,984,533,388,919.83
  5. Step 5: Solve for x
    x = 14,984,533,388,919.83/3,489,633.27
  6. Step 6: Final answer
    x = 4,294,013.79

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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.