Home / 2,105,932.76-3,159,292.80-843,858.80

Finding the Fourth Proportional to 2,105,932.76, 3,159,292.80 and 843,858.80

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Solution

The fourth proportional to 2,105,932.76, 3,159,292.80 and 843,858.80 is: 1,265,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,932.76 : 3,159,292.80 = 843,858.80 : x
  2. Step 2: Convert to fraction form
    2,105,932.76/3,159,292.80 = 843,858.80/x
  3. Step 3: Cross multiply
    2,105,932.76x = 3,159,292.80 × 843,858.80
  4. Step 4: Simplify right side
    2,105,932.76x = 2,665,997,031,056.64
  5. Step 5: Solve for x
    x = 2,665,997,031,056.64/2,105,932.76
  6. Step 6: Final answer
    x = 1,265,945.94

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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.