Home / 3,217,865.76-4,826,724.12-1,619,999.82

Finding the Fourth Proportional to 3,217,865.76, 4,826,724.12 and 1,619,999.82

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Solution

The fourth proportional to 3,217,865.76, 4,826,724.12 and 1,619,999.82 is: 2,429,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,865.76 : 4,826,724.12 = 1,619,999.82 : x
  2. Step 2: Convert to fraction form
    3,217,865.76/4,826,724.12 = 1,619,999.82/x
  3. Step 3: Cross multiply
    3,217,865.76x = 4,826,724.12 × 1,619,999.82
  4. Step 4: Simplify right side
    3,217,865.76x = 7,819,292,205,589.66
  5. Step 5: Solve for x
    x = 7,819,292,205,589.66/3,217,865.76
  6. Step 6: Final answer
    x = 2,429,962.21

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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.