Home / 1,965,615.46-2,712,660.97-1,180,921.39

Finding the Fourth Proportional to 1,965,615.46, 2,712,660.97 and 1,180,921.39

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Solution

The fourth proportional to 1,965,615.46, 2,712,660.97 and 1,180,921.39 is: 1,629,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,615.46 : 2,712,660.97 = 1,180,921.39 : x
  2. Step 2: Convert to fraction form
    1,965,615.46/2,712,660.97 = 1,180,921.39/x
  3. Step 3: Cross multiply
    1,965,615.46x = 2,712,660.97 × 1,180,921.39
  4. Step 4: Simplify right side
    1,965,615.46x = 3,203,439,343,823.24
  5. Step 5: Solve for x
    x = 3,203,439,343,823.24/1,965,615.46
  6. Step 6: Final answer
    x = 1,629,738.58

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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.