Home / 2,815,003.62-4,222,505.84-685,087.76

Finding the Fourth Proportional to 2,815,003.62, 4,222,505.84 and 685,087.76

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Solution

The fourth proportional to 2,815,003.62, 4,222,505.84 and 685,087.76 is: 1,027,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,003.62 : 4,222,505.84 = 685,087.76 : x
  2. Step 2: Convert to fraction form
    2,815,003.62/4,222,505.84 = 685,087.76/x
  3. Step 3: Cross multiply
    2,815,003.62x = 4,222,505.84 × 685,087.76
  4. Step 4: Simplify right side
    2,815,003.62x = 2,892,787,064,087.08
  5. Step 5: Solve for x
    x = 2,892,787,064,087.08/2,815,003.62
  6. Step 6: Final answer
    x = 1,027,631.74

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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.