Home / 3,115,322-4,299,144.36-1,684,538

Finding the Fourth Proportional to 3,115,322, 4,299,144.36 and 1,684,538

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Solution

The fourth proportional to 3,115,322, 4,299,144.36 and 1,684,538 is: 2,324,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,322 : 4,299,144.36 = 1,684,538 : x
  2. Step 2: Convert to fraction form
    3,115,322/4,299,144.36 = 1,684,538/x
  3. Step 3: Cross multiply
    3,115,322x = 4,299,144.36 × 1,684,538
  4. Step 4: Simplify right side
    3,115,322x = 7,242,072,041,905.68
  5. Step 5: Solve for x
    x = 7,242,072,041,905.68/3,115,322
  6. Step 6: Final answer
    x = 2,324,662.44

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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.