Home / 2,213,935.71-3,321,953.32-1,317,149.07

Finding the Fourth Proportional to 2,213,935.71, 3,321,953.32 and 1,317,149.07

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Solution

The fourth proportional to 2,213,935.71, 3,321,953.32 and 1,317,149.07 is: 1,976,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,935.71 : 3,321,953.32 = 1,317,149.07 : x
  2. Step 2: Convert to fraction form
    2,213,935.71/3,321,953.32 = 1,317,149.07/x
  3. Step 3: Cross multiply
    2,213,935.71x = 3,321,953.32 × 1,317,149.07
  4. Step 4: Simplify right side
    2,213,935.71x = 4,375,507,726,021.41
  5. Step 5: Solve for x
    x = 4,375,507,726,021.41/2,213,935.71
  6. Step 6: Final answer
    x = 1,976,348.14

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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.