Home / 4,231,619.21-5,840,564.54-2,781,449.69

Finding the Fourth Proportional to 4,231,619.21, 5,840,564.54 and 2,781,449.69

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Solution

The fourth proportional to 4,231,619.21, 5,840,564.54 and 2,781,449.69 is: 3,839,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231,619.21 : 5,840,564.54 = 2,781,449.69 : x
  2. Step 2: Convert to fraction form
    4,231,619.21/5,840,564.54 = 2,781,449.69/x
  3. Step 3: Cross multiply
    4,231,619.21x = 5,840,564.54 × 2,781,449.69
  4. Step 4: Simplify right side
    4,231,619.21x = 16,245,236,386,097.92
  5. Step 5: Solve for x
    x = 16,245,236,386,097.92/4,231,619.21
  6. Step 6: Final answer
    x = 3,839,011.87

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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.