Home / 2,808,721.50-3,876,135.39-1,585,324.86

Finding the Fourth Proportional to 2,808,721.50, 3,876,135.39 and 1,585,324.86

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Solution

The fourth proportional to 2,808,721.50, 3,876,135.39 and 1,585,324.86 is: 2,187,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,721.50 : 3,876,135.39 = 1,585,324.86 : x
  2. Step 2: Convert to fraction form
    2,808,721.50/3,876,135.39 = 1,585,324.86/x
  3. Step 3: Cross multiply
    2,808,721.50x = 3,876,135.39 × 1,585,324.86
  4. Step 4: Simplify right side
    2,808,721.50x = 6,144,933,794,492.80
  5. Step 5: Solve for x
    x = 6,144,933,794,492.80/2,808,721.50
  6. Step 6: Final answer
    x = 2,187,804.59

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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.