Home / 1,900,129.72-2,622,197.49-1,136,183.28

Finding the Fourth Proportional to 1,900,129.72, 2,622,197.49 and 1,136,183.28

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Solution

The fourth proportional to 1,900,129.72, 2,622,197.49 and 1,136,183.28 is: 1,567,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,129.72 : 2,622,197.49 = 1,136,183.28 : x
  2. Step 2: Convert to fraction form
    1,900,129.72/2,622,197.49 = 1,136,183.28/x
  3. Step 3: Cross multiply
    1,900,129.72x = 2,622,197.49 × 1,136,183.28
  4. Step 4: Simplify right side
    1,900,129.72x = 2,979,296,944,995.97
  5. Step 5: Solve for x
    x = 2,979,296,944,995.97/1,900,129.72
  6. Step 6: Final answer
    x = 1,567,943.97

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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.