Home / 3,974,620.80-5,484,997.44-2,163,797.76

Finding the Fourth Proportional to 3,974,620.80, 5,484,997.44 and 2,163,797.76

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Solution

The fourth proportional to 3,974,620.80, 5,484,997.44 and 2,163,797.76 is: 2,986,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,620.80 : 5,484,997.44 = 2,163,797.76 : x
  2. Step 2: Convert to fraction form
    3,974,620.80/5,484,997.44 = 2,163,797.76/x
  3. Step 3: Cross multiply
    3,974,620.80x = 5,484,997.44 × 2,163,797.76
  4. Step 4: Simplify right side
    3,974,620.80x = 11,868,425,174,277.73
  5. Step 5: Solve for x
    x = 11,868,425,174,277.73/3,974,620.80
  6. Step 6: Final answer
    x = 2,986,052.20

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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.