Home / 2,134,292.80-3,201,439.20-2,039,814.40

Finding the Fourth Proportional to 2,134,292.80, 3,201,439.20 and 2,039,814.40

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Solution

The fourth proportional to 2,134,292.80, 3,201,439.20 and 2,039,814.40 is: 3,059,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,292.80 : 3,201,439.20 = 2,039,814.40 : x
  2. Step 2: Convert to fraction form
    2,134,292.80/3,201,439.20 = 2,039,814.40/x
  3. Step 3: Cross multiply
    2,134,292.80x = 3,201,439.20 × 2,039,814.40
  4. Step 4: Simplify right side
    2,134,292.80x = 6,530,341,780,884.48
  5. Step 5: Solve for x
    x = 6,530,341,780,884.48/2,134,292.80
  6. Step 6: Final answer
    x = 3,059,721.60

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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.