Home / 2,122,496.75-2,928,727.06-1,192,168.80

Finding the Fourth Proportional to 2,122,496.75, 2,928,727.06 and 1,192,168.80

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Solution

The fourth proportional to 2,122,496.75, 2,928,727.06 and 1,192,168.80 is: 1,645,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,496.75 : 2,928,727.06 = 1,192,168.80 : x
  2. Step 2: Convert to fraction form
    2,122,496.75/2,928,727.06 = 1,192,168.80/x
  3. Step 3: Cross multiply
    2,122,496.75x = 2,928,727.06 × 1,192,168.80
  4. Step 4: Simplify right side
    2,122,496.75x = 3,491,537,021,667.31
  5. Step 5: Solve for x
    x = 3,491,537,021,667.31/2,122,496.75
  6. Step 6: Final answer
    x = 1,645,014.07

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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.