Home / 2,640,013.30-3,953,321.55-2,212,424.73

Finding the Fourth Proportional to 2,640,013.30, 3,953,321.55 and 2,212,424.73

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Solution

The fourth proportional to 2,640,013.30, 3,953,321.55 and 2,212,424.73 is: 3,313,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,013.30 : 3,953,321.55 = 2,212,424.73 : x
  2. Step 2: Convert to fraction form
    2,640,013.30/3,953,321.55 = 2,212,424.73/x
  3. Step 3: Cross multiply
    2,640,013.30x = 3,953,321.55 × 2,212,424.73
  4. Step 4: Simplify right side
    2,640,013.30x = 8,746,426,362,861.93
  5. Step 5: Solve for x
    x = 8,746,426,362,861.93/2,640,013.30
  6. Step 6: Final answer
    x = 3,313,023.60

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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.