Home / 2,642,606.70-3,963,910.05-2,217,453.90

Finding the Fourth Proportional to 2,642,606.70, 3,963,910.05 and 2,217,453.90

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Solution

The fourth proportional to 2,642,606.70, 3,963,910.05 and 2,217,453.90 is: 3,326,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,606.70 : 3,963,910.05 = 2,217,453.90 : x
  2. Step 2: Convert to fraction form
    2,642,606.70/3,963,910.05 = 2,217,453.90/x
  3. Step 3: Cross multiply
    2,642,606.70x = 3,963,910.05 × 2,217,453.90
  4. Step 4: Simplify right side
    2,642,606.70x = 8,789,787,799,621.69
  5. Step 5: Solve for x
    x = 8,789,787,799,621.69/2,642,606.70
  6. Step 6: Final answer
    x = 3,326,180.85

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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.