Home / 2,147,272.34-3,220,824.42-727,328.43

Finding the Fourth Proportional to 2,147,272.34, 3,220,824.42 and 727,328.43

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Solution

The fourth proportional to 2,147,272.34, 3,220,824.42 and 727,328.43 is: 1,090,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,272.34 : 3,220,824.42 = 727,328.43 : x
  2. Step 2: Convert to fraction form
    2,147,272.34/3,220,824.42 = 727,328.43/x
  3. Step 3: Cross multiply
    2,147,272.34x = 3,220,824.42 × 727,328.43
  4. Step 4: Simplify right side
    2,147,272.34x = 2,342,597,168,704.26
  5. Step 5: Solve for x
    x = 2,342,597,168,704.26/2,147,272.34
  6. Step 6: Final answer
    x = 1,090,964.16

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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.