Home / 2,191,213.25-3,287,173.03-674,895.68

Finding the Fourth Proportional to 2,191,213.25, 3,287,173.03 and 674,895.68

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Solution

The fourth proportional to 2,191,213.25, 3,287,173.03 and 674,895.68 is: 1,012,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,213.25 : 3,287,173.03 = 674,895.68 : x
  2. Step 2: Convert to fraction form
    2,191,213.25/3,287,173.03 = 674,895.68/x
  3. Step 3: Cross multiply
    2,191,213.25x = 3,287,173.03 × 674,895.68
  4. Step 4: Simplify right side
    2,191,213.25x = 2,218,498,875,359.59
  5. Step 5: Solve for x
    x = 2,218,498,875,359.59/2,191,213.25
  6. Step 6: Final answer
    x = 1,012,452.29

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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.