Home / 2,628,186.47-3,945,642.22-2,231,348.49

Finding the Fourth Proportional to 2,628,186.47, 3,945,642.22 and 2,231,348.49

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Solution

The fourth proportional to 2,628,186.47, 3,945,642.22 and 2,231,348.49 is: 3,349,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,186.47 : 3,945,642.22 = 2,231,348.49 : x
  2. Step 2: Convert to fraction form
    2,628,186.47/3,945,642.22 = 2,231,348.49/x
  3. Step 3: Cross multiply
    2,628,186.47x = 3,945,642.22 × 2,231,348.49
  4. Step 4: Simplify right side
    2,628,186.47x = 8,804,102,804,098.88
  5. Step 5: Solve for x
    x = 8,804,102,804,098.88/2,628,186.47
  6. Step 6: Final answer
    x = 3,349,877.53

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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.