Home / 3,887,993.54-5,365,434.45-2,169,114.41

Finding the Fourth Proportional to 3,887,993.54, 5,365,434.45 and 2,169,114.41

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Solution

The fourth proportional to 3,887,993.54, 5,365,434.45 and 2,169,114.41 is: 2,993,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,993.54 : 5,365,434.45 = 2,169,114.41 : x
  2. Step 2: Convert to fraction form
    3,887,993.54/5,365,434.45 = 2,169,114.41/x
  3. Step 3: Cross multiply
    3,887,993.54x = 5,365,434.45 × 2,169,114.41
  4. Step 4: Simplify right side
    3,887,993.54x = 11,638,241,154,578.25
  5. Step 5: Solve for x
    x = 11,638,241,154,578.25/3,887,993.54
  6. Step 6: Final answer
    x = 2,993,379.76

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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.