Home / 2,133,431.08-3,200,149.76-871,258.76

Finding the Fourth Proportional to 2,133,431.08, 3,200,149.76 and 871,258.76

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Solution

The fourth proportional to 2,133,431.08, 3,200,149.76 and 871,258.76 is: 1,306,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,431.08 : 3,200,149.76 = 871,258.76 : x
  2. Step 2: Convert to fraction form
    2,133,431.08/3,200,149.76 = 871,258.76/x
  3. Step 3: Cross multiply
    2,133,431.08x = 3,200,149.76 × 871,258.76
  4. Step 4: Simplify right side
    2,133,431.08x = 2,788,158,511,711.90
  5. Step 5: Solve for x
    x = 2,788,158,511,711.90/2,133,431.08
  6. Step 6: Final answer
    x = 1,306,889.42

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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.