Home / 1,993,218.07-2,751,491.18-1,340,222.60

Finding the Fourth Proportional to 1,993,218.07, 2,751,491.18 and 1,340,222.60

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Solution

The fourth proportional to 1,993,218.07, 2,751,491.18 and 1,340,222.60 is: 1,850,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,218.07 : 2,751,491.18 = 1,340,222.60 : x
  2. Step 2: Convert to fraction form
    1,993,218.07/2,751,491.18 = 1,340,222.60/x
  3. Step 3: Cross multiply
    1,993,218.07x = 2,751,491.18 × 1,340,222.60
  4. Step 4: Simplify right side
    1,993,218.07x = 3,687,610,663,136.67
  5. Step 5: Solve for x
    x = 3,687,610,663,136.67/1,993,218.07
  6. Step 6: Final answer
    x = 1,850,078.88

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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.