Home / 3,800,186.40-5,704,426.80-2,120,570.40

Finding the Fourth Proportional to 3,800,186.40, 5,704,426.80 and 2,120,570.40

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Solution

The fourth proportional to 3,800,186.40, 5,704,426.80 and 2,120,570.40 is: 3,183,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,186.40 : 5,704,426.80 = 2,120,570.40 : x
  2. Step 2: Convert to fraction form
    3,800,186.40/5,704,426.80 = 2,120,570.40/x
  3. Step 3: Cross multiply
    3,800,186.40x = 5,704,426.80 × 2,120,570.40
  4. Step 4: Simplify right side
    3,800,186.40x = 12,096,638,621,046.72
  5. Step 5: Solve for x
    x = 12,096,638,621,046.72/3,800,186.40
  6. Step 6: Final answer
    x = 3,183,169.81

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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.