Home / 5,221,147.35-7,832,139.66-1,984,235.73

Finding the Fourth Proportional to 5,221,147.35, 7,832,139.66 and 1,984,235.73

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Solution

The fourth proportional to 5,221,147.35, 7,832,139.66 and 1,984,235.73 is: 2,976,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,147.35 : 7,832,139.66 = 1,984,235.73 : x
  2. Step 2: Convert to fraction form
    5,221,147.35/7,832,139.66 = 1,984,235.73/x
  3. Step 3: Cross multiply
    5,221,147.35x = 7,832,139.66 × 1,984,235.73
  4. Step 4: Simplify right side
    5,221,147.35x = 15,540,811,355,722.05
  5. Step 5: Solve for x
    x = 15,540,811,355,722.05/5,221,147.35
  6. Step 6: Final answer
    x = 2,976,512.69

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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.