Home / 2,261,325.89-3,120,649.22-1,228,833.47

Finding the Fourth Proportional to 2,261,325.89, 3,120,649.22 and 1,228,833.47

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Solution

The fourth proportional to 2,261,325.89, 3,120,649.22 and 1,228,833.47 is: 1,695,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,325.89 : 3,120,649.22 = 1,228,833.47 : x
  2. Step 2: Convert to fraction form
    2,261,325.89/3,120,649.22 = 1,228,833.47/x
  3. Step 3: Cross multiply
    2,261,325.89x = 3,120,649.22 × 1,228,833.47
  4. Step 4: Simplify right side
    2,261,325.89x = 3,834,758,197,134.23
  5. Step 5: Solve for x
    x = 3,834,758,197,134.23/2,261,325.89
  6. Step 6: Final answer
    x = 1,695,800.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.