Home / 2,127,789.40-3,194,016.90-1,329,971.80

Finding the Fourth Proportional to 2,127,789.40, 3,194,016.90 and 1,329,971.80

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Solution

The fourth proportional to 2,127,789.40, 3,194,016.90 and 1,329,971.80 is: 1,996,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,789.40 : 3,194,016.90 = 1,329,971.80 : x
  2. Step 2: Convert to fraction form
    2,127,789.40/3,194,016.90 = 1,329,971.80/x
  3. Step 3: Cross multiply
    2,127,789.40x = 3,194,016.90 × 1,329,971.80
  4. Step 4: Simplify right side
    2,127,789.40x = 4,247,952,405,723.42
  5. Step 5: Solve for x
    x = 4,247,952,405,723.42/2,127,789.40
  6. Step 6: Final answer
    x = 1,996,415.81

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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.