Home / 2,131,289.12-3,196,859.94-533,865.96

Finding the Fourth Proportional to 2,131,289.12, 3,196,859.94 and 533,865.96

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Solution

The fourth proportional to 2,131,289.12, 3,196,859.94 and 533,865.96 is: 800,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,289.12 : 3,196,859.94 = 533,865.96 : x
  2. Step 2: Convert to fraction form
    2,131,289.12/3,196,859.94 = 533,865.96/x
  3. Step 3: Cross multiply
    2,131,289.12x = 3,196,859.94 × 533,865.96
  4. Step 4: Simplify right side
    2,131,289.12x = 1,706,694,700,853.64
  5. Step 5: Solve for x
    x = 1,706,694,700,853.64/2,131,289.12
  6. Step 6: Final answer
    x = 800,780.47

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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.