Home / 2,191,213.75-3,287,173.79-674,896.18

Finding the Fourth Proportional to 2,191,213.75, 3,287,173.79 and 674,896.18

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Solution

The fourth proportional to 2,191,213.75, 3,287,173.79 and 674,896.18 is: 1,012,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,213.75 : 3,287,173.79 = 674,896.18 : x
  2. Step 2: Convert to fraction form
    2,191,213.75/3,287,173.79 = 674,896.18/x
  3. Step 3: Cross multiply
    2,191,213.75x = 3,287,173.79 × 674,896.18
  4. Step 4: Simplify right side
    2,191,213.75x = 2,218,501,030,492.64
  5. Step 5: Solve for x
    x = 2,218,501,030,492.64/2,191,213.75
  6. Step 6: Final answer
    x = 1,012,453.04

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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.