Home / 5,158,067.72-7,118,788.02-3,120,893.96

Finding the Fourth Proportional to 5,158,067.72, 7,118,788.02 and 3,120,893.96

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Solution

The fourth proportional to 5,158,067.72, 7,118,788.02 and 3,120,893.96 is: 4,307,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,067.72 : 7,118,788.02 = 3,120,893.96 : x
  2. Step 2: Convert to fraction form
    5,158,067.72/7,118,788.02 = 3,120,893.96/x
  3. Step 3: Cross multiply
    5,158,067.72x = 7,118,788.02 × 3,120,893.96
  4. Step 4: Simplify right side
    5,158,067.72x = 22,216,982,534,138.36
  5. Step 5: Solve for x
    x = 22,216,982,534,138.36/5,158,067.72
  6. Step 6: Final answer
    x = 4,307,229.71

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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.