Home / 2,179,513.24-3,269,392.88-663,245.64

Finding the Fourth Proportional to 2,179,513.24, 3,269,392.88 and 663,245.64

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Solution

The fourth proportional to 2,179,513.24, 3,269,392.88 and 663,245.64 is: 994,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,513.24 : 3,269,392.88 = 663,245.64 : x
  2. Step 2: Convert to fraction form
    2,179,513.24/3,269,392.88 = 663,245.64/x
  3. Step 3: Cross multiply
    2,179,513.24x = 3,269,392.88 × 663,245.64
  4. Step 4: Simplify right side
    2,179,513.24x = 2,168,410,573,107.04
  5. Step 5: Solve for x
    x = 2,168,410,573,107.04/2,179,513.24
  6. Step 6: Final answer
    x = 994,905.90

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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.