Home / 2,720,286.40-4,080,583.20-827,089.60

Finding the Fourth Proportional to 2,720,286.40, 4,080,583.20 and 827,089.60

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Solution

The fourth proportional to 2,720,286.40, 4,080,583.20 and 827,089.60 is: 1,240,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,286.40 : 4,080,583.20 = 827,089.60 : x
  2. Step 2: Convert to fraction form
    2,720,286.40/4,080,583.20 = 827,089.60/x
  3. Step 3: Cross multiply
    2,720,286.40x = 4,080,583.20 × 827,089.60
  4. Step 4: Simplify right side
    2,720,286.40x = 3,375,007,926,654.72
  5. Step 5: Solve for x
    x = 3,375,007,926,654.72/2,720,286.40
  6. Step 6: Final answer
    x = 1,240,681.10

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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.