Home / 3,942,072.56-5,435,131.19-3,289,638.52

Finding the Fourth Proportional to 3,942,072.56, 5,435,131.19 and 3,289,638.52

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Solution

The fourth proportional to 3,942,072.56, 5,435,131.19 and 3,289,638.52 is: 4,535,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,072.56 : 5,435,131.19 = 3,289,638.52 : x
  2. Step 2: Convert to fraction form
    3,942,072.56/5,435,131.19 = 3,289,638.52/x
  3. Step 3: Cross multiply
    3,942,072.56x = 5,435,131.19 × 3,289,638.52
  4. Step 4: Simplify right side
    3,942,072.56x = 17,879,616,914,223.16
  5. Step 5: Solve for x
    x = 17,879,616,914,223.16/3,942,072.56
  6. Step 6: Final answer
    x = 4,535,587.98

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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.