Home / 3,211,246.11-4,815,669.03-1,291,509.36

Finding the Fourth Proportional to 3,211,246.11, 4,815,669.03 and 1,291,509.36

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Solution

The fourth proportional to 3,211,246.11, 4,815,669.03 and 1,291,509.36 is: 1,936,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,246.11 : 4,815,669.03 = 1,291,509.36 : x
  2. Step 2: Convert to fraction form
    3,211,246.11/4,815,669.03 = 1,291,509.36/x
  3. Step 3: Cross multiply
    3,211,246.11x = 4,815,669.03 × 1,291,509.36
  4. Step 4: Simplify right side
    3,211,246.11x = 6,219,481,626,907.12
  5. Step 5: Solve for x
    x = 6,219,481,626,907.12/3,211,246.11
  6. Step 6: Final answer
    x = 1,936,781.37

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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.