Home / 3,074,780.66-4,241,961.70-1,928,442.74

Finding the Fourth Proportional to 3,074,780.66, 4,241,961.70 and 1,928,442.74

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Solution

The fourth proportional to 3,074,780.66, 4,241,961.70 and 1,928,442.74 is: 2,660,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074,780.66 : 4,241,961.70 = 1,928,442.74 : x
  2. Step 2: Convert to fraction form
    3,074,780.66/4,241,961.70 = 1,928,442.74/x
  3. Step 3: Cross multiply
    3,074,780.66x = 4,241,961.70 × 1,928,442.74
  4. Step 4: Simplify right side
    3,074,780.66x = 8,180,380,217,692.14
  5. Step 5: Solve for x
    x = 8,180,380,217,692.14/3,074,780.66
  6. Step 6: Final answer
    x = 2,660,476.03

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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.