Home / 4,080,978.80-6,121,232.04-1,556,889.20

Finding the Fourth Proportional to 4,080,978.80, 6,121,232.04 and 1,556,889.20

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Solution

The fourth proportional to 4,080,978.80, 6,121,232.04 and 1,556,889.20 is: 2,335,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,978.80 : 6,121,232.04 = 1,556,889.20 : x
  2. Step 2: Convert to fraction form
    4,080,978.80/6,121,232.04 = 1,556,889.20/x
  3. Step 3: Cross multiply
    4,080,978.80x = 6,121,232.04 × 1,556,889.20
  4. Step 4: Simplify right side
    4,080,978.80x = 9,530,080,053,769.97
  5. Step 5: Solve for x
    x = 9,530,080,053,769.97/4,080,978.80
  6. Step 6: Final answer
    x = 2,335,243.71

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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.