Home / 2,156,989.64-3,235,049.73-790,297.83

Finding the Fourth Proportional to 2,156,989.64, 3,235,049.73 and 790,297.83

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Solution

The fourth proportional to 2,156,989.64, 3,235,049.73 and 790,297.83 is: 1,185,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,989.64 : 3,235,049.73 = 790,297.83 : x
  2. Step 2: Convert to fraction form
    2,156,989.64/3,235,049.73 = 790,297.83/x
  3. Step 3: Cross multiply
    2,156,989.64x = 3,235,049.73 × 790,297.83
  4. Step 4: Simplify right side
    2,156,989.64x = 2,556,652,781,561.09
  5. Step 5: Solve for x
    x = 2,556,652,781,561.09/2,156,989.64
  6. Step 6: Final answer
    x = 1,185,287.47

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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.