Home / 2,583,211.10-3,873,067.05-1,319,999.90

Finding the Fourth Proportional to 2,583,211.10, 3,873,067.05 and 1,319,999.90

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Solution

The fourth proportional to 2,583,211.10, 3,873,067.05 and 1,319,999.90 is: 1,979,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583,211.10 : 3,873,067.05 = 1,319,999.90 : x
  2. Step 2: Convert to fraction form
    2,583,211.10/3,873,067.05 = 1,319,999.90/x
  3. Step 3: Cross multiply
    2,583,211.10x = 3,873,067.05 × 1,319,999.90
  4. Step 4: Simplify right side
    2,583,211.10x = 5,112,448,118,693.29
  5. Step 5: Solve for x
    x = 5,112,448,118,693.29/2,583,211.10
  6. Step 6: Final answer
    x = 1,979,105.82

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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.