Home / 2,767,185.36-4,151,581.78-1,147,657.20

Finding the Fourth Proportional to 2,767,185.36, 4,151,581.78 and 1,147,657.20

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Solution

The fourth proportional to 2,767,185.36, 4,151,581.78 and 1,147,657.20 is: 1,721,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,185.36 : 4,151,581.78 = 1,147,657.20 : x
  2. Step 2: Convert to fraction form
    2,767,185.36/4,151,581.78 = 1,147,657.20/x
  3. Step 3: Cross multiply
    2,767,185.36x = 4,151,581.78 × 1,147,657.20
  4. Step 4: Simplify right side
    2,767,185.36x = 4,764,592,721,205.82
  5. Step 5: Solve for x
    x = 4,764,592,721,205.82/2,767,185.36
  6. Step 6: Final answer
    x = 1,721,819.14

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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.