Home / 3,853,758-5,317,936.64-2,111,425

Finding the Fourth Proportional to 3,853,758, 5,317,936.64 and 2,111,425

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Solution

The fourth proportional to 3,853,758, 5,317,936.64 and 2,111,425 is: 2,913,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,758 : 5,317,936.64 = 2,111,425 : x
  2. Step 2: Convert to fraction form
    3,853,758/5,317,936.64 = 2,111,425/x
  3. Step 3: Cross multiply
    3,853,758x = 5,317,936.64 × 2,111,425
  4. Step 4: Simplify right side
    3,853,758x = 11,228,424,370,112
  5. Step 5: Solve for x
    x = 11,228,424,370,112/3,853,758
  6. Step 6: Final answer
    x = 2,913,629.86

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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.