Home / 2,819,511.85-3,890,822.11-1,530,324.76

Finding the Fourth Proportional to 2,819,511.85, 3,890,822.11 and 1,530,324.76

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Solution

The fourth proportional to 2,819,511.85, 3,890,822.11 and 1,530,324.76 is: 2,111,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,511.85 : 3,890,822.11 = 1,530,324.76 : x
  2. Step 2: Convert to fraction form
    2,819,511.85/3,890,822.11 = 1,530,324.76/x
  3. Step 3: Cross multiply
    2,819,511.85x = 3,890,822.11 × 1,530,324.76
  4. Step 4: Simplify right side
    2,819,511.85x = 5,954,221,384,582.71
  5. Step 5: Solve for x
    x = 5,954,221,384,582.71/2,819,511.85
  6. Step 6: Final answer
    x = 2,111,791.58

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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.