Home / 3,942,964.40-5,368,298.72-3,930,819.26

Finding the Fourth Proportional to 3,942,964.40, 5,368,298.72 and 3,930,819.26

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Solution

The fourth proportional to 3,942,964.40, 5,368,298.72 and 3,930,819.26 is: 5,351,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,964.40 : 5,368,298.72 = 3,930,819.26 : x
  2. Step 2: Convert to fraction form
    3,942,964.40/5,368,298.72 = 3,930,819.26/x
  3. Step 3: Cross multiply
    3,942,964.40x = 5,368,298.72 × 3,930,819.26
  4. Step 4: Simplify right side
    3,942,964.40x = 21,101,811,955,513.76
  5. Step 5: Solve for x
    x = 21,101,811,955,513.76/3,942,964.40
  6. Step 6: Final answer
    x = 5,351,763.25

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.