Home / 2,208,826.80-3,314,989.80-861,634.80

Finding the Fourth Proportional to 2,208,826.80, 3,314,989.80 and 861,634.80

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Solution

The fourth proportional to 2,208,826.80, 3,314,989.80 and 861,634.80 is: 1,293,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,826.80 : 3,314,989.80 = 861,634.80 : x
  2. Step 2: Convert to fraction form
    2,208,826.80/3,314,989.80 = 861,634.80/x
  3. Step 3: Cross multiply
    2,208,826.80x = 3,314,989.80 × 861,634.80
  4. Step 4: Simplify right side
    2,208,826.80x = 2,856,310,573,325.04
  5. Step 5: Solve for x
    x = 2,856,310,573,325.04/2,208,826.80
  6. Step 6: Final answer
    x = 1,293,134.70

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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.