Home / 2,191,788.14-3,024,761.09-1,224,918.41

Finding the Fourth Proportional to 2,191,788.14, 3,024,761.09 and 1,224,918.41

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Solution

The fourth proportional to 2,191,788.14, 3,024,761.09 and 1,224,918.41 is: 1,690,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,788.14 : 3,024,761.09 = 1,224,918.41 : x
  2. Step 2: Convert to fraction form
    2,191,788.14/3,024,761.09 = 1,224,918.41/x
  3. Step 3: Cross multiply
    2,191,788.14x = 3,024,761.09 × 1,224,918.41
  4. Step 4: Simplify right side
    2,191,788.14x = 3,705,085,523,744.27
  5. Step 5: Solve for x
    x = 3,705,085,523,744.27/2,191,788.14
  6. Step 6: Final answer
    x = 1,690,439.63

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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.