Home / 2,215,745.78-3,060,251.43-1,489,332.35

Finding the Fourth Proportional to 2,215,745.78, 3,060,251.43 and 1,489,332.35

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Solution

The fourth proportional to 2,215,745.78, 3,060,251.43 and 1,489,332.35 is: 2,056,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,745.78 : 3,060,251.43 = 1,489,332.35 : x
  2. Step 2: Convert to fraction form
    2,215,745.78/3,060,251.43 = 1,489,332.35/x
  3. Step 3: Cross multiply
    2,215,745.78x = 3,060,251.43 × 1,489,332.35
  4. Step 4: Simplify right side
    2,215,745.78x = 4,557,731,455,898.39
  5. Step 5: Solve for x
    x = 4,557,731,455,898.39/2,215,745.78
  6. Step 6: Final answer
    x = 2,056,974.00

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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.