Home / 4,291,138.22-5,927,016.04-3,208,223.30

Finding the Fourth Proportional to 4,291,138.22, 5,927,016.04 and 3,208,223.30

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Solution

The fourth proportional to 4,291,138.22, 5,927,016.04 and 3,208,223.30 is: 4,431,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291,138.22 : 5,927,016.04 = 3,208,223.30 : x
  2. Step 2: Convert to fraction form
    4,291,138.22/5,927,016.04 = 3,208,223.30/x
  3. Step 3: Cross multiply
    4,291,138.22x = 5,927,016.04 × 3,208,223.30
  4. Step 4: Simplify right side
    4,291,138.22x = 19,015,190,921,346.09
  5. Step 5: Solve for x
    x = 19,015,190,921,346.09/4,291,138.22
  6. Step 6: Final answer
    x = 4,431,269.74

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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.