Home / 3,979,059.28-5,970,066.72-2,763,995.68

Finding the Fourth Proportional to 3,979,059.28, 5,970,066.72 and 2,763,995.68

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Solution

The fourth proportional to 3,979,059.28, 5,970,066.72 and 2,763,995.68 is: 4,147,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,059.28 : 5,970,066.72 = 2,763,995.68 : x
  2. Step 2: Convert to fraction form
    3,979,059.28/5,970,066.72 = 2,763,995.68/x
  3. Step 3: Cross multiply
    3,979,059.28x = 5,970,066.72 × 2,763,995.68
  4. Step 4: Simplify right side
    3,979,059.28x = 16,501,238,623,391.77
  5. Step 5: Solve for x
    x = 16,501,238,623,391.77/3,979,059.28
  6. Step 6: Final answer
    x = 4,147,020.05

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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.