Home / 2,887,183.17-3,985,308.81-1,663,977.33

Finding the Fourth Proportional to 2,887,183.17, 3,985,308.81 and 1,663,977.33

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Solution

The fourth proportional to 2,887,183.17, 3,985,308.81 and 1,663,977.33 is: 2,296,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,183.17 : 3,985,308.81 = 1,663,977.33 : x
  2. Step 2: Convert to fraction form
    2,887,183.17/3,985,308.81 = 1,663,977.33/x
  3. Step 3: Cross multiply
    2,887,183.17x = 3,985,308.81 × 1,663,977.33
  4. Step 4: Simplify right side
    2,887,183.17x = 6,631,463,512,889.28
  5. Step 5: Solve for x
    x = 6,631,463,512,889.28/2,887,183.17
  6. Step 6: Final answer
    x = 2,296,862.76

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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.