Home / 2,127,921.60-3,191,882.40-708,121.20

Finding the Fourth Proportional to 2,127,921.60, 3,191,882.40 and 708,121.20

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Solution

The fourth proportional to 2,127,921.60, 3,191,882.40 and 708,121.20 is: 1,062,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,921.60 : 3,191,882.40 = 708,121.20 : x
  2. Step 2: Convert to fraction form
    2,127,921.60/3,191,882.40 = 708,121.20/x
  3. Step 3: Cross multiply
    2,127,921.60x = 3,191,882.40 × 708,121.20
  4. Step 4: Simplify right side
    2,127,921.60x = 2,260,239,595,346.88
  5. Step 5: Solve for x
    x = 2,260,239,595,346.88/2,127,921.60
  6. Step 6: Final answer
    x = 1,062,181.80

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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.