Home / 5,485,721.92-8,229,896.70-2,289,069.88

Finding the Fourth Proportional to 5,485,721.92, 8,229,896.70 and 2,289,069.88

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Solution

The fourth proportional to 5,485,721.92, 8,229,896.70 and 2,289,069.88 is: 3,434,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,721.92 : 8,229,896.70 = 2,289,069.88 : x
  2. Step 2: Convert to fraction form
    5,485,721.92/8,229,896.70 = 2,289,069.88/x
  3. Step 3: Cross multiply
    5,485,721.92x = 8,229,896.70 × 2,289,069.88
  4. Step 4: Simplify right side
    5,485,721.92x = 18,838,808,651,481.39
  5. Step 5: Solve for x
    x = 18,838,808,651,481.39/5,485,721.92
  6. Step 6: Final answer
    x = 3,434,153.05

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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.