Home / 4,848,989.28-6,689,980.80-3,131,270.88

Finding the Fourth Proportional to 4,848,989.28, 6,689,980.80 and 3,131,270.88

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Solution

The fourth proportional to 4,848,989.28, 6,689,980.80 and 3,131,270.88 is: 4,320,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848,989.28 : 6,689,980.80 = 3,131,270.88 : x
  2. Step 2: Convert to fraction form
    4,848,989.28/6,689,980.80 = 3,131,270.88/x
  3. Step 3: Cross multiply
    4,848,989.28x = 6,689,980.80 × 3,131,270.88
  4. Step 4: Simplify right side
    4,848,989.28x = 20,948,142,066,799.10
  5. Step 5: Solve for x
    x = 20,948,142,066,799.10/4,848,989.28
  6. Step 6: Final answer
    x = 4,320,104.84

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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.