Home / 3,107,579.72-4,661,359.16-1,399,723.88

Finding the Fourth Proportional to 3,107,579.72, 4,661,359.16 and 1,399,723.88

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Solution

The fourth proportional to 3,107,579.72, 4,661,359.16 and 1,399,723.88 is: 2,099,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,579.72 : 4,661,359.16 = 1,399,723.88 : x
  2. Step 2: Convert to fraction form
    3,107,579.72/4,661,359.16 = 1,399,723.88/x
  3. Step 3: Cross multiply
    3,107,579.72x = 4,661,359.16 × 1,399,723.88
  4. Step 4: Simplify right side
    3,107,579.72x = 6,524,615,699,203.33
  5. Step 5: Solve for x
    x = 6,524,615,699,203.33/3,107,579.72
  6. Step 6: Final answer
    x = 2,099,581.12

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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.