Home / 1,968,455.78-2,716,469-1,063,037.78

Finding the Fourth Proportional to 1,968,455.78, 2,716,469 and 1,063,037.78

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Solution

The fourth proportional to 1,968,455.78, 2,716,469 and 1,063,037.78 is: 1,466,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,455.78 : 2,716,469 = 1,063,037.78 : x
  2. Step 2: Convert to fraction form
    1,968,455.78/2,716,469 = 1,063,037.78/x
  3. Step 3: Cross multiply
    1,968,455.78x = 2,716,469 × 1,063,037.78
  4. Step 4: Simplify right side
    1,968,455.78x = 2,887,709,175,198.82
  5. Step 5: Solve for x
    x = 2,887,709,175,198.82/1,968,455.78
  6. Step 6: Final answer
    x = 1,466,992.15

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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.