Home / 3,993,112.40-5,980,337.40-3,912,933.20

Finding the Fourth Proportional to 3,993,112.40, 5,980,337.40 and 3,912,933.20

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Solution

The fourth proportional to 3,993,112.40, 5,980,337.40 and 3,912,933.20 is: 5,860,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,112.40 : 5,980,337.40 = 3,912,933.20 : x
  2. Step 2: Convert to fraction form
    3,993,112.40/5,980,337.40 = 3,912,933.20/x
  3. Step 3: Cross multiply
    3,993,112.40x = 5,980,337.40 × 3,912,933.20
  4. Step 4: Simplify right side
    3,993,112.40x = 23,400,660,759,661.68
  5. Step 5: Solve for x
    x = 23,400,660,759,661.68/3,993,112.40
  6. Step 6: Final answer
    x = 5,860,255.96

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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.