Home / 2,819,654.38-4,231,012.88-1,200,159.01

Finding the Fourth Proportional to 2,819,654.38, 4,231,012.88 and 1,200,159.01

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Solution

The fourth proportional to 2,819,654.38, 4,231,012.88 and 1,200,159.01 is: 1,800,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,654.38 : 4,231,012.88 = 1,200,159.01 : x
  2. Step 2: Convert to fraction form
    2,819,654.38/4,231,012.88 = 1,200,159.01/x
  3. Step 3: Cross multiply
    2,819,654.38x = 4,231,012.88 × 1,200,159.01
  4. Step 4: Simplify right side
    2,819,654.38x = 5,077,888,229,358.05
  5. Step 5: Solve for x
    x = 5,077,888,229,358.05/2,819,654.38
  6. Step 6: Final answer
    x = 1,800,890.30

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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.