Home / 2,078,415.20-3,116,067.60-1,132,853.60

Finding the Fourth Proportional to 2,078,415.20, 3,116,067.60 and 1,132,853.60

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Solution

The fourth proportional to 2,078,415.20, 3,116,067.60 and 1,132,853.60 is: 1,698,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,415.20 : 3,116,067.60 = 1,132,853.60 : x
  2. Step 2: Convert to fraction form
    2,078,415.20/3,116,067.60 = 1,132,853.60/x
  3. Step 3: Cross multiply
    2,078,415.20x = 3,116,067.60 × 1,132,853.60
  4. Step 4: Simplify right side
    2,078,415.20x = 3,530,048,398,503.36
  5. Step 5: Solve for x
    x = 3,530,048,398,503.36/2,078,415.20
  6. Step 6: Final answer
    x = 1,698,432.73

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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.