Home / 2,618,791.95-3,929,147.46-1,102,856.49

Finding the Fourth Proportional to 2,618,791.95, 3,929,147.46 and 1,102,856.49

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Solution

The fourth proportional to 2,618,791.95, 3,929,147.46 and 1,102,856.49 is: 1,654,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,791.95 : 3,929,147.46 = 1,102,856.49 : x
  2. Step 2: Convert to fraction form
    2,618,791.95/3,929,147.46 = 1,102,856.49/x
  3. Step 3: Cross multiply
    2,618,791.95x = 3,929,147.46 × 1,102,856.49
  4. Step 4: Simplify right side
    2,618,791.95x = 4,333,285,776,428.02
  5. Step 5: Solve for x
    x = 4,333,285,776,428.02/2,618,791.95
  6. Step 6: Final answer
    x = 1,654,688.83

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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.