Home / 2,147,290.75-3,220,907.75-528,073.55

Finding the Fourth Proportional to 2,147,290.75, 3,220,907.75 and 528,073.55

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Solution

The fourth proportional to 2,147,290.75, 3,220,907.75 and 528,073.55 is: 792,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,290.75 : 3,220,907.75 = 528,073.55 : x
  2. Step 2: Convert to fraction form
    2,147,290.75/3,220,907.75 = 528,073.55/x
  3. Step 3: Cross multiply
    2,147,290.75x = 3,220,907.75 × 528,073.55
  4. Step 4: Simplify right side
    2,147,290.75x = 1,700,876,189,765.01
  5. Step 5: Solve for x
    x = 1,700,876,189,765.01/2,147,290.75
  6. Step 6: Final answer
    x = 792,103.35

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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.