Home / 2,137,695.78-2,950,067.88-1,219,906.64

Finding the Fourth Proportional to 2,137,695.78, 2,950,067.88 and 1,219,906.64

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Solution

The fourth proportional to 2,137,695.78, 2,950,067.88 and 1,219,906.64 is: 1,683,498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,695.78 : 2,950,067.88 = 1,219,906.64 : x
  2. Step 2: Convert to fraction form
    2,137,695.78/2,950,067.88 = 1,219,906.64/x
  3. Step 3: Cross multiply
    2,137,695.78x = 2,950,067.88 × 1,219,906.64
  4. Step 4: Simplify right side
    2,137,695.78x = 3,598,807,395,262.72
  5. Step 5: Solve for x
    x = 3,598,807,395,262.72/2,137,695.78
  6. Step 6: Final answer
    x = 1,683,498.39

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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.