Home / 1,928,773.80-2,661,771.06-1,069,414.20

Finding the Fourth Proportional to 1,928,773.80, 2,661,771.06 and 1,069,414.20

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Solution

The fourth proportional to 1,928,773.80, 2,661,771.06 and 1,069,414.20 is: 1,475,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,773.80 : 2,661,771.06 = 1,069,414.20 : x
  2. Step 2: Convert to fraction form
    1,928,773.80/2,661,771.06 = 1,069,414.20/x
  3. Step 3: Cross multiply
    1,928,773.80x = 2,661,771.06 × 1,069,414.20
  4. Step 4: Simplify right side
    1,928,773.80x = 2,846,535,768,713.05
  5. Step 5: Solve for x
    x = 2,846,535,768,713.05/1,928,773.80
  6. Step 6: Final answer
    x = 1,475,826.65

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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.