Home / 2,948,288.39-4,422,457.34-818,538.58

Finding the Fourth Proportional to 2,948,288.39, 4,422,457.34 and 818,538.58

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Solution

The fourth proportional to 2,948,288.39, 4,422,457.34 and 818,538.58 is: 1,227,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,288.39 : 4,422,457.34 = 818,538.58 : x
  2. Step 2: Convert to fraction form
    2,948,288.39/4,422,457.34 = 818,538.58/x
  3. Step 3: Cross multiply
    2,948,288.39x = 4,422,457.34 × 818,538.58
  4. Step 4: Simplify right side
    2,948,288.39x = 3,619,951,951,194.18
  5. Step 5: Solve for x
    x = 3,619,951,951,194.18/2,948,288.39
  6. Step 6: Final answer
    x = 1,227,814.74

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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.