Home / 5,781,642.25-8,669,101.73-2,187,686.83

Finding the Fourth Proportional to 5,781,642.25, 8,669,101.73 and 2,187,686.83

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Solution

The fourth proportional to 5,781,642.25, 8,669,101.73 and 2,187,686.83 is: 3,280,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781,642.25 : 8,669,101.73 = 2,187,686.83 : x
  2. Step 2: Convert to fraction form
    5,781,642.25/8,669,101.73 = 2,187,686.83/x
  3. Step 3: Cross multiply
    5,781,642.25x = 8,669,101.73 × 2,187,686.83
  4. Step 4: Simplify right side
    5,781,642.25x = 18,965,279,682,651.22
  5. Step 5: Solve for x
    x = 18,965,279,682,651.22/5,781,642.25
  6. Step 6: Final answer
    x = 3,280,258.25

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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.