Home / 2,133,212.20-3,201,891.90-1,293,404.20

Finding the Fourth Proportional to 2,133,212.20, 3,201,891.90 and 1,293,404.20

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Solution

The fourth proportional to 2,133,212.20, 3,201,891.90 and 1,293,404.20 is: 1,941,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,212.20 : 3,201,891.90 = 1,293,404.20 : x
  2. Step 2: Convert to fraction form
    2,133,212.20/3,201,891.90 = 1,293,404.20/x
  3. Step 3: Cross multiply
    2,133,212.20x = 3,201,891.90 × 1,293,404.20
  4. Step 4: Simplify right side
    2,133,212.20x = 4,141,340,431,405.98
  5. Step 5: Solve for x
    x = 4,141,340,431,405.98/2,133,212.20
  6. Step 6: Final answer
    x = 1,941,363.56

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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.