Home / 3,479,112.95-4,801,438.85-1,930,667.75

Finding the Fourth Proportional to 3,479,112.95, 4,801,438.85 and 1,930,667.75

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Solution

The fourth proportional to 3,479,112.95, 4,801,438.85 and 1,930,667.75 is: 2,664,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,112.95 : 4,801,438.85 = 1,930,667.75 : x
  2. Step 2: Convert to fraction form
    3,479,112.95/4,801,438.85 = 1,930,667.75/x
  3. Step 3: Cross multiply
    3,479,112.95x = 4,801,438.85 × 1,930,667.75
  4. Step 4: Simplify right side
    3,479,112.95x = 9,269,983,141,292.09
  5. Step 5: Solve for x
    x = 9,269,983,141,292.09/3,479,112.95
  6. Step 6: Final answer
    x = 2,664,467.43

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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.