Home / 3,489,636.27-4,819,369.44-3,109,236.78

Finding the Fourth Proportional to 3,489,636.27, 4,819,369.44 and 3,109,236.78

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Solution

The fourth proportional to 3,489,636.27, 4,819,369.44 and 3,109,236.78 is: 4,294,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,636.27 : 4,819,369.44 = 3,109,236.78 : x
  2. Step 2: Convert to fraction form
    3,489,636.27/4,819,369.44 = 3,109,236.78/x
  3. Step 3: Cross multiply
    3,489,636.27x = 4,819,369.44 × 3,109,236.78
  4. Step 4: Simplify right side
    3,489,636.27x = 14,984,560,719,256.00
  5. Step 5: Solve for x
    x = 14,984,560,719,256.00/3,489,636.27
  6. Step 6: Final answer
    x = 4,294,017.93

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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.