Home / 2,159,784.20-3,239,676.30-961,704.20

Finding the Fourth Proportional to 2,159,784.20, 3,239,676.30 and 961,704.20

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Solution

The fourth proportional to 2,159,784.20, 3,239,676.30 and 961,704.20 is: 1,442,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,784.20 : 3,239,676.30 = 961,704.20 : x
  2. Step 2: Convert to fraction form
    2,159,784.20/3,239,676.30 = 961,704.20/x
  3. Step 3: Cross multiply
    2,159,784.20x = 3,239,676.30 × 961,704.20
  4. Step 4: Simplify right side
    2,159,784.20x = 3,115,610,304,350.46
  5. Step 5: Solve for x
    x = 3,115,610,304,350.46/2,159,784.20
  6. Step 6: Final answer
    x = 1,442,556.30

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Similar ratio
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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.