Home / 2,213,930.58-3,321,945.63-1,317,143.94

Finding the Fourth Proportional to 2,213,930.58, 3,321,945.63 and 1,317,143.94

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Solution

The fourth proportional to 2,213,930.58, 3,321,945.63 and 1,317,143.94 is: 1,976,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,930.58 : 3,321,945.63 = 1,317,143.94 : x
  2. Step 2: Convert to fraction form
    2,213,930.58/3,321,945.63 = 1,317,143.94/x
  3. Step 3: Cross multiply
    2,213,930.58x = 3,321,945.63 × 1,317,143.94
  4. Step 4: Simplify right side
    2,213,930.58x = 4,375,480,555,563.98
  5. Step 5: Solve for x
    x = 4,375,480,555,563.98/2,213,930.58
  6. Step 6: Final answer
    x = 1,976,340.45

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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.