Home / 3,738,288.39-5,158,989.84-2,106,764.52

Finding the Fourth Proportional to 3,738,288.39, 5,158,989.84 and 2,106,764.52

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Solution

The fourth proportional to 3,738,288.39, 5,158,989.84 and 2,106,764.52 is: 2,907,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738,288.39 : 5,158,989.84 = 2,106,764.52 : x
  2. Step 2: Convert to fraction form
    3,738,288.39/5,158,989.84 = 2,106,764.52/x
  3. Step 3: Cross multiply
    3,738,288.39x = 5,158,989.84 × 2,106,764.52
  4. Step 4: Simplify right side
    3,738,288.39x = 10,868,776,753,952.48
  5. Step 5: Solve for x
    x = 10,868,776,753,952.48/3,738,288.39
  6. Step 6: Final answer
    x = 2,907,420.62

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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.