Home / 3,131,729.20-4,397,018-3,131,729.20

Finding the Fourth Proportional to 3,131,729.20, 4,397,018 and 3,131,729.20

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Solution

The fourth proportional to 3,131,729.20, 4,397,018 and 3,131,729.20 is: 4,397,018

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,729.20 : 4,397,018 = 3,131,729.20 : x
  2. Step 2: Convert to fraction form
    3,131,729.20/4,397,018 = 3,131,729.20/x
  3. Step 3: Cross multiply
    3,131,729.20x = 4,397,018 × 3,131,729.20
  4. Step 4: Simplify right side
    3,131,729.20x = 13,770,269,663,525.60
  5. Step 5: Solve for x
    x = 13,770,269,663,525.60/3,131,729.20
  6. Step 6: Final answer
    x = 4,397,018

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.