Home / 3,428,447.22-5,142,834.85-2,828,295.54

Finding the Fourth Proportional to 3,428,447.22, 5,142,834.85 and 2,828,295.54

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Solution

The fourth proportional to 3,428,447.22, 5,142,834.85 and 2,828,295.54 is: 4,242,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,447.22 : 5,142,834.85 = 2,828,295.54 : x
  2. Step 2: Convert to fraction form
    3,428,447.22/5,142,834.85 = 2,828,295.54/x
  3. Step 3: Cross multiply
    3,428,447.22x = 5,142,834.85 × 2,828,295.54
  4. Step 4: Simplify right side
    3,428,447.22x = 14,545,456,869,211.57
  5. Step 5: Solve for x
    x = 14,545,456,869,211.57/3,428,447.22
  6. Step 6: Final answer
    x = 4,242,578.62

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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.