Home / 1,940,911.88-2,678,422.68-1,081,453.64

Finding the Fourth Proportional to 1,940,911.88, 2,678,422.68 and 1,081,453.64

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Solution

The fourth proportional to 1,940,911.88, 2,678,422.68 and 1,081,453.64 is: 1,492,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,911.88 : 2,678,422.68 = 1,081,453.64 : x
  2. Step 2: Convert to fraction form
    1,940,911.88/2,678,422.68 = 1,081,453.64/x
  3. Step 3: Cross multiply
    1,940,911.88x = 2,678,422.68 × 1,081,453.64
  4. Step 4: Simplify right side
    1,940,911.88x = 2,896,589,956,744.56
  5. Step 5: Solve for x
    x = 2,896,589,956,744.56/1,940,911.88
  6. Step 6: Final answer
    x = 1,492,386.12

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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.