Home / 2,105,930.32-3,159,289.14-843,856.36

Finding the Fourth Proportional to 2,105,930.32, 3,159,289.14 and 843,856.36

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Solution

The fourth proportional to 2,105,930.32, 3,159,289.14 and 843,856.36 is: 1,265,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,930.32 : 3,159,289.14 = 843,856.36 : x
  2. Step 2: Convert to fraction form
    2,105,930.32/3,159,289.14 = 843,856.36/x
  3. Step 3: Cross multiply
    2,105,930.32x = 3,159,289.14 × 843,856.36
  4. Step 4: Simplify right side
    2,105,930.32x = 2,665,986,233,867.93
  5. Step 5: Solve for x
    x = 2,665,986,233,867.93/2,105,930.32
  6. Step 6: Final answer
    x = 1,265,942.28

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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.