Home / 2,131,288.12-3,196,858.44-533,864.96

Finding the Fourth Proportional to 2,131,288.12, 3,196,858.44 and 533,864.96

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Solution

The fourth proportional to 2,131,288.12, 3,196,858.44 and 533,864.96 is: 800,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,288.12 : 3,196,858.44 = 533,864.96 : x
  2. Step 2: Convert to fraction form
    2,131,288.12/3,196,858.44 = 533,864.96/x
  3. Step 3: Cross multiply
    2,131,288.12x = 3,196,858.44 × 533,864.96
  4. Step 4: Simplify right side
    2,131,288.12x = 1,706,690,703,196.26
  5. Step 5: Solve for x
    x = 1,706,690,703,196.26/2,131,288.12
  6. Step 6: Final answer
    x = 800,778.97

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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.