Home / 2,128,891.45-3,193,847.48-708,959.83

Finding the Fourth Proportional to 2,128,891.45, 3,193,847.48 and 708,959.83

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Solution

The fourth proportional to 2,128,891.45, 3,193,847.48 and 708,959.83 is: 1,063,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,891.45 : 3,193,847.48 = 708,959.83 : x
  2. Step 2: Convert to fraction form
    2,128,891.45/3,193,847.48 = 708,959.83/x
  3. Step 3: Cross multiply
    2,128,891.45x = 3,193,847.48 × 708,959.83
  4. Step 4: Simplify right side
    2,128,891.45x = 2,264,309,566,466.73
  5. Step 5: Solve for x
    x = 2,264,309,566,466.73/2,128,891.45
  6. Step 6: Final answer
    x = 1,063,609.69

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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.