Home / 2,078,086.20-3,115,574.10-1,132,524.60

Finding the Fourth Proportional to 2,078,086.20, 3,115,574.10 and 1,132,524.60

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Solution

The fourth proportional to 2,078,086.20, 3,115,574.10 and 1,132,524.60 is: 1,697,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,086.20 : 3,115,574.10 = 1,132,524.60 : x
  2. Step 2: Convert to fraction form
    2,078,086.20/3,115,574.10 = 1,132,524.60/x
  3. Step 3: Cross multiply
    2,078,086.20x = 3,115,574.10 × 1,132,524.60
  4. Step 4: Simplify right side
    2,078,086.20x = 3,528,464,311,372.86
  5. Step 5: Solve for x
    x = 3,528,464,311,372.86/2,078,086.20
  6. Step 6: Final answer
    x = 1,697,939.34

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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.