Home / 4,195,422.28-6,290,217.42-2,142,091.72

Finding the Fourth Proportional to 4,195,422.28, 6,290,217.42 and 2,142,091.72

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Solution

The fourth proportional to 4,195,422.28, 6,290,217.42 and 2,142,091.72 is: 3,211,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195,422.28 : 6,290,217.42 = 2,142,091.72 : x
  2. Step 2: Convert to fraction form
    4,195,422.28/6,290,217.42 = 2,142,091.72/x
  3. Step 3: Cross multiply
    4,195,422.28x = 6,290,217.42 × 2,142,091.72
  4. Step 4: Simplify right side
    4,195,422.28x = 13,474,222,652,381.76
  5. Step 5: Solve for x
    x = 13,474,222,652,381.76/4,195,422.28
  6. Step 6: Final answer
    x = 3,211,648.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.