Home / 2,250,322.40-3,105,419.64-1,231,715

Finding the Fourth Proportional to 2,250,322.40, 3,105,419.64 and 1,231,715

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Solution

The fourth proportional to 2,250,322.40, 3,105,419.64 and 1,231,715 is: 1,699,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,322.40 : 3,105,419.64 = 1,231,715 : x
  2. Step 2: Convert to fraction form
    2,250,322.40/3,105,419.64 = 1,231,715/x
  3. Step 3: Cross multiply
    2,250,322.40x = 3,105,419.64 × 1,231,715
  4. Step 4: Simplify right side
    2,250,322.40x = 3,824,991,951,882.60
  5. Step 5: Solve for x
    x = 3,824,991,951,882.60/2,250,322.40
  6. Step 6: Final answer
    x = 1,699,752.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.