Home / 3,798,436.11-5,242,341.03-2,166,469.38

Finding the Fourth Proportional to 3,798,436.11, 5,242,341.03 and 2,166,469.38

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Solution

The fourth proportional to 3,798,436.11, 5,242,341.03 and 2,166,469.38 is: 2,990,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798,436.11 : 5,242,341.03 = 2,166,469.38 : x
  2. Step 2: Convert to fraction form
    3,798,436.11/5,242,341.03 = 2,166,469.38/x
  3. Step 3: Cross multiply
    3,798,436.11x = 5,242,341.03 × 2,166,469.38
  4. Step 4: Simplify right side
    3,798,436.11x = 11,357,371,321,012.66
  5. Step 5: Solve for x
    x = 11,357,371,321,012.66/3,798,436.11
  6. Step 6: Final answer
    x = 2,990,012.47

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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.