Home / 1,928,863.50-2,661,982.10-1,069,591.20

Finding the Fourth Proportional to 1,928,863.50, 2,661,982.10 and 1,069,591.20

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Solution

The fourth proportional to 1,928,863.50, 2,661,982.10 and 1,069,591.20 is: 1,476,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,863.50 : 2,661,982.10 = 1,069,591.20 : x
  2. Step 2: Convert to fraction form
    1,928,863.50/2,661,982.10 = 1,069,591.20/x
  3. Step 3: Cross multiply
    1,928,863.50x = 2,661,982.10 × 1,069,591.20
  4. Step 4: Simplify right side
    1,928,863.50x = 2,847,232,628,717.52
  5. Step 5: Solve for x
    x = 2,847,232,628,717.52/1,928,863.50
  6. Step 6: Final answer
    x = 1,476,119.29

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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.