Home / 1,930,336.12-2,662,757.08-1,203,922.70

Finding the Fourth Proportional to 1,930,336.12, 2,662,757.08 and 1,203,922.70

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Solution

The fourth proportional to 1,930,336.12, 2,662,757.08 and 1,203,922.70 is: 1,660,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,336.12 : 2,662,757.08 = 1,203,922.70 : x
  2. Step 2: Convert to fraction form
    1,930,336.12/2,662,757.08 = 1,203,922.70/x
  3. Step 3: Cross multiply
    1,930,336.12x = 2,662,757.08 × 1,203,922.70
  4. Step 4: Simplify right side
    1,930,336.12x = 3,205,753,687,178.10
  5. Step 5: Solve for x
    x = 3,205,753,687,178.10/1,930,336.12
  6. Step 6: Final answer
    x = 1,660,723.05

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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.