Home / 3,964,303.82-5,469,438.23-2,221,718.63

Finding the Fourth Proportional to 3,964,303.82, 5,469,438.23 and 2,221,718.63

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Solution

The fourth proportional to 3,964,303.82, 5,469,438.23 and 2,221,718.63 is: 3,065,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,303.82 : 5,469,438.23 = 2,221,718.63 : x
  2. Step 2: Convert to fraction form
    3,964,303.82/5,469,438.23 = 2,221,718.63/x
  3. Step 3: Cross multiply
    3,964,303.82x = 5,469,438.23 × 2,221,718.63
  4. Step 4: Simplify right side
    3,964,303.82x = 12,151,552,781,100.88
  5. Step 5: Solve for x
    x = 12,151,552,781,100.88/3,964,303.82
  6. Step 6: Final answer
    x = 3,065,242.56

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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.