Home / 3,209,850.47-4,815,455.49-1,188,111.12

Finding the Fourth Proportional to 3,209,850.47, 4,815,455.49 and 1,188,111.12

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Solution

The fourth proportional to 3,209,850.47, 4,815,455.49 and 1,188,111.12 is: 1,782,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,850.47 : 4,815,455.49 = 1,188,111.12 : x
  2. Step 2: Convert to fraction form
    3,209,850.47/4,815,455.49 = 1,188,111.12/x
  3. Step 3: Cross multiply
    3,209,850.47x = 4,815,455.49 × 1,188,111.12
  4. Step 4: Simplify right side
    3,209,850.47x = 5,721,296,215,534.05
  5. Step 5: Solve for x
    x = 5,721,296,215,534.05/3,209,850.47
  6. Step 6: Final answer
    x = 1,782,418.30

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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.