Home / 2,868,647.80-3,958,745.76-1,722,747.28

Finding the Fourth Proportional to 2,868,647.80, 3,958,745.76 and 1,722,747.28

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Solution

The fourth proportional to 2,868,647.80, 3,958,745.76 and 1,722,747.28 is: 2,377,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,647.80 : 3,958,745.76 = 1,722,747.28 : x
  2. Step 2: Convert to fraction form
    2,868,647.80/3,958,745.76 = 1,722,747.28/x
  3. Step 3: Cross multiply
    2,868,647.80x = 3,958,745.76 × 1,722,747.28
  4. Step 4: Simplify right side
    2,868,647.80x = 6,819,918,490,251.53
  5. Step 5: Solve for x
    x = 6,819,918,490,251.53/2,868,647.80
  6. Step 6: Final answer
    x = 2,377,398.33

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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.