Home / 3,178,474.40-4,767,711.60-2,221,880.60

Finding the Fourth Proportional to 3,178,474.40, 4,767,711.60 and 2,221,880.60

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Solution

The fourth proportional to 3,178,474.40, 4,767,711.60 and 2,221,880.60 is: 3,332,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,474.40 : 4,767,711.60 = 2,221,880.60 : x
  2. Step 2: Convert to fraction form
    3,178,474.40/4,767,711.60 = 2,221,880.60/x
  3. Step 3: Cross multiply
    3,178,474.40x = 4,767,711.60 × 2,221,880.60
  4. Step 4: Simplify right side
    3,178,474.40x = 10,593,285,910,434.96
  5. Step 5: Solve for x
    x = 10,593,285,910,434.96/3,178,474.40
  6. Step 6: Final answer
    x = 3,332,820.90

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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.