Home / 3,433,923.20-5,148,836.80-2,105,180.80

Finding the Fourth Proportional to 3,433,923.20, 5,148,836.80 and 2,105,180.80

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Solution

The fourth proportional to 3,433,923.20, 5,148,836.80 and 2,105,180.80 is: 3,156,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433,923.20 : 5,148,836.80 = 2,105,180.80 : x
  2. Step 2: Convert to fraction form
    3,433,923.20/5,148,836.80 = 2,105,180.80/x
  3. Step 3: Cross multiply
    3,433,923.20x = 5,148,836.80 × 2,105,180.80
  4. Step 4: Simplify right side
    3,433,923.20x = 10,839,232,373,693.44
  5. Step 5: Solve for x
    x = 10,839,232,373,693.44/3,433,923.20
  6. Step 6: Final answer
    x = 3,156,515.67

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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.