Home / 2,171,217.36-2,996,222.10-1,253,415.44

Finding the Fourth Proportional to 2,171,217.36, 2,996,222.10 and 1,253,415.44

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Solution

The fourth proportional to 2,171,217.36, 2,996,222.10 and 1,253,415.44 is: 1,729,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,217.36 : 2,996,222.10 = 1,253,415.44 : x
  2. Step 2: Convert to fraction form
    2,171,217.36/2,996,222.10 = 1,253,415.44/x
  3. Step 3: Cross multiply
    2,171,217.36x = 2,996,222.10 × 1,253,415.44
  4. Step 4: Simplify right side
    2,171,217.36x = 3,755,511,041,809.22
  5. Step 5: Solve for x
    x = 3,755,511,041,809.22/2,171,217.36
  6. Step 6: Final answer
    x = 1,729,679.91

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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.