Home / 2,170,679.40-3,256,019.10-1,108,996.20

Finding the Fourth Proportional to 2,170,679.40, 3,256,019.10 and 1,108,996.20

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Solution

The fourth proportional to 2,170,679.40, 3,256,019.10 and 1,108,996.20 is: 1,663,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,679.40 : 3,256,019.10 = 1,108,996.20 : x
  2. Step 2: Convert to fraction form
    2,170,679.40/3,256,019.10 = 1,108,996.20/x
  3. Step 3: Cross multiply
    2,170,679.40x = 3,256,019.10 × 1,108,996.20
  4. Step 4: Simplify right side
    2,170,679.40x = 3,610,912,809,027.42
  5. Step 5: Solve for x
    x = 3,610,912,809,027.42/2,170,679.40
  6. Step 6: Final answer
    x = 1,663,494.30

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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.