Home / 3,946,170.40-5,919,255.60-3,308,441.20

Finding the Fourth Proportional to 3,946,170.40, 5,919,255.60 and 3,308,441.20

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Solution

The fourth proportional to 3,946,170.40, 5,919,255.60 and 3,308,441.20 is: 4,962,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,170.40 : 5,919,255.60 = 3,308,441.20 : x
  2. Step 2: Convert to fraction form
    3,946,170.40/5,919,255.60 = 3,308,441.20/x
  3. Step 3: Cross multiply
    3,946,170.40x = 5,919,255.60 × 3,308,441.20
  4. Step 4: Simplify right side
    3,946,170.40x = 19,583,509,100,370.72
  5. Step 5: Solve for x
    x = 19,583,509,100,370.72/3,946,170.40
  6. Step 6: Final answer
    x = 4,962,661.80

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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.