Home / 3,720,405.20-5,134,720.16-2,270,940.88

Finding the Fourth Proportional to 3,720,405.20, 5,134,720.16 and 2,270,940.88

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Solution

The fourth proportional to 3,720,405.20, 5,134,720.16 and 2,270,940.88 is: 3,134,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,405.20 : 5,134,720.16 = 2,270,940.88 : x
  2. Step 2: Convert to fraction form
    3,720,405.20/5,134,720.16 = 2,270,940.88/x
  3. Step 3: Cross multiply
    3,720,405.20x = 5,134,720.16 × 2,270,940.88
  4. Step 4: Simplify right side
    3,720,405.20x = 11,660,645,918,704.14
  5. Step 5: Solve for x
    x = 11,660,645,918,704.14/3,720,405.20
  6. Step 6: Final answer
    x = 3,134,240.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.