Home / 2,097,982.20-2,895,131.34-1,238,819.16

Finding the Fourth Proportional to 2,097,982.20, 2,895,131.34 and 1,238,819.16

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Solution

The fourth proportional to 2,097,982.20, 2,895,131.34 and 1,238,819.16 is: 1,709,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097,982.20 : 2,895,131.34 = 1,238,819.16 : x
  2. Step 2: Convert to fraction form
    2,097,982.20/2,895,131.34 = 1,238,819.16/x
  3. Step 3: Cross multiply
    2,097,982.20x = 2,895,131.34 × 1,238,819.16
  4. Step 4: Simplify right side
    2,097,982.20x = 3,586,544,174,708.47
  5. Step 5: Solve for x
    x = 3,586,544,174,708.47/2,097,982.20
  6. Step 6: Final answer
    x = 1,709,520.78

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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.