Home / 1,900,130.22-2,622,198.18-1,136,183.78

Finding the Fourth Proportional to 1,900,130.22, 2,622,198.18 and 1,136,183.78

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Solution

The fourth proportional to 1,900,130.22, 2,622,198.18 and 1,136,183.78 is: 1,567,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,130.22 : 2,622,198.18 = 1,136,183.78 : x
  2. Step 2: Convert to fraction form
    1,900,130.22/2,622,198.18 = 1,136,183.78/x
  3. Step 3: Cross multiply
    1,900,130.22x = 2,622,198.18 × 1,136,183.78
  4. Step 4: Simplify right side
    1,900,130.22x = 2,979,299,040,061.52
  5. Step 5: Solve for x
    x = 2,979,299,040,061.52/1,900,130.22
  6. Step 6: Final answer
    x = 1,567,944.66

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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.