Home / 2,257,658.73-3,116,166.39-1,397,730.33

Finding the Fourth Proportional to 2,257,658.73, 3,116,166.39 and 1,397,730.33

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Solution

The fourth proportional to 2,257,658.73, 3,116,166.39 and 1,397,730.33 is: 1,929,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,658.73 : 3,116,166.39 = 1,397,730.33 : x
  2. Step 2: Convert to fraction form
    2,257,658.73/3,116,166.39 = 1,397,730.33/x
  3. Step 3: Cross multiply
    2,257,658.73x = 3,116,166.39 × 1,397,730.33
  4. Step 4: Simplify right side
    2,257,658.73x = 4,355,560,276,629.61
  5. Step 5: Solve for x
    x = 4,355,560,276,629.61/2,257,658.73
  6. Step 6: Final answer
    x = 1,929,237.67

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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.