Home / 3,855,349.36-5,320,318.44-2,113,005.34

Finding the Fourth Proportional to 3,855,349.36, 5,320,318.44 and 2,113,005.34

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Solution

The fourth proportional to 3,855,349.36, 5,320,318.44 and 2,113,005.34 is: 2,915,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,349.36 : 5,320,318.44 = 2,113,005.34 : x
  2. Step 2: Convert to fraction form
    3,855,349.36/5,320,318.44 = 2,113,005.34/x
  3. Step 3: Cross multiply
    3,855,349.36x = 5,320,318.44 × 2,113,005.34
  4. Step 4: Simplify right side
    3,855,349.36x = 11,241,861,274,220.47
  5. Step 5: Solve for x
    x = 11,241,861,274,220.47/3,855,349.36
  6. Step 6: Final answer
    x = 2,915,912.47

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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.