Home / 2,603,905.12-3,904,433.92-2,067,606.40

Finding the Fourth Proportional to 2,603,905.12, 3,904,433.92 and 2,067,606.40

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Solution

The fourth proportional to 2,603,905.12, 3,904,433.92 and 2,067,606.40 is: 3,100,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,905.12 : 3,904,433.92 = 2,067,606.40 : x
  2. Step 2: Convert to fraction form
    2,603,905.12/3,904,433.92 = 2,067,606.40/x
  3. Step 3: Cross multiply
    2,603,905.12x = 3,904,433.92 × 2,067,606.40
  4. Step 4: Simplify right side
    2,603,905.12x = 8,072,832,561,369.09
  5. Step 5: Solve for x
    x = 8,072,832,561,369.09/2,603,905.12
  6. Step 6: Final answer
    x = 3,100,279.08

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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.