Home / 1,616,786.43-2,231,135.06-881,749.43

Finding the Fourth Proportional to 1,616,786.43, 2,231,135.06 and 881,749.43

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Solution

The fourth proportional to 1,616,786.43, 2,231,135.06 and 881,749.43 is: 1,216,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,786.43 : 2,231,135.06 = 881,749.43 : x
  2. Step 2: Convert to fraction form
    1,616,786.43/2,231,135.06 = 881,749.43/x
  3. Step 3: Cross multiply
    1,616,786.43x = 2,231,135.06 × 881,749.43
  4. Step 4: Simplify right side
    1,616,786.43x = 1,967,302,068,577.11
  5. Step 5: Solve for x
    x = 1,967,302,068,577.11/1,616,786.43
  6. Step 6: Final answer
    x = 1,216,797.74

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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.