Home / 2,628,897.80-3,945,096.30-1,491,657.80

Finding the Fourth Proportional to 2,628,897.80, 3,945,096.30 and 1,491,657.80

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Solution

The fourth proportional to 2,628,897.80, 3,945,096.30 and 1,491,657.80 is: 2,238,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,897.80 : 3,945,096.30 = 1,491,657.80 : x
  2. Step 2: Convert to fraction form
    2,628,897.80/3,945,096.30 = 1,491,657.80/x
  3. Step 3: Cross multiply
    2,628,897.80x = 3,945,096.30 × 1,491,657.80
  4. Step 4: Simplify right side
    2,628,897.80x = 5,884,733,667,646.14
  5. Step 5: Solve for x
    x = 5,884,733,667,646.14/2,628,897.80
  6. Step 6: Final answer
    x = 2,238,479.44

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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.