Home / 2,147,289.75-3,220,906.25-528,072.55

Finding the Fourth Proportional to 2,147,289.75, 3,220,906.25 and 528,072.55

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Solution

The fourth proportional to 2,147,289.75, 3,220,906.25 and 528,072.55 is: 792,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,289.75 : 3,220,906.25 = 528,072.55 : x
  2. Step 2: Convert to fraction form
    2,147,289.75/3,220,906.25 = 528,072.55/x
  3. Step 3: Cross multiply
    2,147,289.75x = 3,220,906.25 × 528,072.55
  4. Step 4: Simplify right side
    2,147,289.75x = 1,700,872,170,016.35
  5. Step 5: Solve for x
    x = 1,700,872,170,016.35/2,147,289.75
  6. Step 6: Final answer
    x = 792,101.84

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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.