Home / 2,951,511.27-4,074,104.90-1,728,210.09

Finding the Fourth Proportional to 2,951,511.27, 4,074,104.90 and 1,728,210.09

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Solution

The fourth proportional to 2,951,511.27, 4,074,104.90 and 1,728,210.09 is: 2,385,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951,511.27 : 4,074,104.90 = 1,728,210.09 : x
  2. Step 2: Convert to fraction form
    2,951,511.27/4,074,104.90 = 1,728,210.09/x
  3. Step 3: Cross multiply
    2,951,511.27x = 4,074,104.90 × 1,728,210.09
  4. Step 4: Simplify right side
    2,951,511.27x = 7,040,909,195,898.44
  5. Step 5: Solve for x
    x = 7,040,909,195,898.44/2,951,511.27
  6. Step 6: Final answer
    x = 2,385,526.79

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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.