Home / 3,131,755.20-4,697,632.80-2,422,292.40

Finding the Fourth Proportional to 3,131,755.20, 4,697,632.80 and 2,422,292.40

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Solution

The fourth proportional to 3,131,755.20, 4,697,632.80 and 2,422,292.40 is: 3,633,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,755.20 : 4,697,632.80 = 2,422,292.40 : x
  2. Step 2: Convert to fraction form
    3,131,755.20/4,697,632.80 = 2,422,292.40/x
  3. Step 3: Cross multiply
    3,131,755.20x = 4,697,632.80 × 2,422,292.40
  4. Step 4: Simplify right side
    3,131,755.20x = 11,379,040,229,430.72
  5. Step 5: Solve for x
    x = 11,379,040,229,430.72/3,131,755.20
  6. Step 6: Final answer
    x = 3,633,438.60

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Similar ratio
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1.5x scale

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.