Home / 2,628,982.80-3,945,223.80-1,491,742.80

Finding the Fourth Proportional to 2,628,982.80, 3,945,223.80 and 1,491,742.80

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Solution

The fourth proportional to 2,628,982.80, 3,945,223.80 and 1,491,742.80 is: 2,238,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,982.80 : 3,945,223.80 = 1,491,742.80 : x
  2. Step 2: Convert to fraction form
    2,628,982.80/3,945,223.80 = 1,491,742.80/x
  3. Step 3: Cross multiply
    2,628,982.80x = 3,945,223.80 × 1,491,742.80
  4. Step 4: Simplify right side
    2,628,982.80x = 5,885,259,198,038.64
  5. Step 5: Solve for x
    x = 5,885,259,198,038.64/2,628,982.80
  6. Step 6: Final answer
    x = 2,238,606.96

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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.