Home / 3,442,137.80-4,750,067.20-1,872,229.28

Finding the Fourth Proportional to 3,442,137.80, 4,750,067.20 and 1,872,229.28

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Solution

The fourth proportional to 3,442,137.80, 4,750,067.20 and 1,872,229.28 is: 2,583,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442,137.80 : 4,750,067.20 = 1,872,229.28 : x
  2. Step 2: Convert to fraction form
    3,442,137.80/4,750,067.20 = 1,872,229.28/x
  3. Step 3: Cross multiply
    3,442,137.80x = 4,750,067.20 × 1,872,229.28
  4. Step 4: Simplify right side
    3,442,137.80x = 8,893,214,893,807.62
  5. Step 5: Solve for x
    x = 8,893,214,893,807.62/3,442,137.80
  6. Step 6: Final answer
    x = 2,583,631.28

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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.