Home / 2,133,388.45-3,200,085.75-871,216.08

Finding the Fourth Proportional to 2,133,388.45, 3,200,085.75 and 871,216.08

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Solution

The fourth proportional to 2,133,388.45, 3,200,085.75 and 871,216.08 is: 1,306,825.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,388.45 : 3,200,085.75 = 871,216.08 : x
  2. Step 2: Convert to fraction form
    2,133,388.45/3,200,085.75 = 871,216.08/x
  3. Step 3: Cross multiply
    2,133,388.45x = 3,200,085.75 × 871,216.08
  4. Step 4: Simplify right side
    2,133,388.45x = 2,787,966,162,778.86
  5. Step 5: Solve for x
    x = 2,787,966,162,778.86/2,133,388.45
  6. Step 6: Final answer
    x = 1,306,825.38

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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.