Home / 3,469,154.76-4,787,202.33-1,920,311.64

Finding the Fourth Proportional to 3,469,154.76, 4,787,202.33 and 1,920,311.64

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Solution

The fourth proportional to 3,469,154.76, 4,787,202.33 and 1,920,311.64 is: 2,649,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,154.76 : 4,787,202.33 = 1,920,311.64 : x
  2. Step 2: Convert to fraction form
    3,469,154.76/4,787,202.33 = 1,920,311.64/x
  3. Step 3: Cross multiply
    3,469,154.76x = 4,787,202.33 × 1,920,311.64
  4. Step 4: Simplify right side
    3,469,154.76x = 9,192,920,357,334.12
  5. Step 5: Solve for x
    x = 9,192,920,357,334.12/3,469,154.76
  6. Step 6: Final answer
    x = 2,649,902.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.