Home / 3,855,000.20-5,776,970.70-2,836,171.40

Finding the Fourth Proportional to 3,855,000.20, 5,776,970.70 and 2,836,171.40

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Solution

The fourth proportional to 3,855,000.20, 5,776,970.70 and 2,836,171.40 is: 4,250,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,000.20 : 5,776,970.70 = 2,836,171.40 : x
  2. Step 2: Convert to fraction form
    3,855,000.20/5,776,970.70 = 2,836,171.40/x
  3. Step 3: Cross multiply
    3,855,000.20x = 5,776,970.70 × 2,836,171.40
  4. Step 4: Simplify right side
    3,855,000.20x = 16,384,479,077,977.98
  5. Step 5: Solve for x
    x = 16,384,479,077,977.98/3,855,000.20
  6. Step 6: Final answer
    x = 4,250,188.90

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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.