Home / 2,235,704.70-3,353,557.05-1,987,698.90

Finding the Fourth Proportional to 2,235,704.70, 3,353,557.05 and 1,987,698.90

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Solution

The fourth proportional to 2,235,704.70, 3,353,557.05 and 1,987,698.90 is: 2,981,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,704.70 : 3,353,557.05 = 1,987,698.90 : x
  2. Step 2: Convert to fraction form
    2,235,704.70/3,353,557.05 = 1,987,698.90/x
  3. Step 3: Cross multiply
    2,235,704.70x = 3,353,557.05 × 1,987,698.90
  4. Step 4: Simplify right side
    2,235,704.70x = 6,665,861,659,372.24
  5. Step 5: Solve for x
    x = 6,665,861,659,372.24/2,235,704.70
  6. Step 6: Final answer
    x = 2,981,548.35

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Similar ratio
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1.5x scale

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.