Home / 3,185,791.45-4,781,067.05-2,158,686.35

Finding the Fourth Proportional to 3,185,791.45, 4,781,067.05 and 2,158,686.35

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Solution

The fourth proportional to 3,185,791.45, 4,781,067.05 and 2,158,686.35 is: 3,239,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,791.45 : 4,781,067.05 = 2,158,686.35 : x
  2. Step 2: Convert to fraction form
    3,185,791.45/4,781,067.05 = 2,158,686.35/x
  3. Step 3: Cross multiply
    3,185,791.45x = 4,781,067.05 × 2,158,686.35
  4. Step 4: Simplify right side
    3,185,791.45x = 10,320,824,194,500.41
  5. Step 5: Solve for x
    x = 10,320,824,194,500.41/3,185,791.45
  6. Step 6: Final answer
    x = 3,239,642.13

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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.