Home / 5,230,168.44-7,845,331.60-1,991,885.40

Finding the Fourth Proportional to 5,230,168.44, 7,845,331.60 and 1,991,885.40

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Solution

The fourth proportional to 5,230,168.44, 7,845,331.60 and 1,991,885.40 is: 2,987,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230,168.44 : 7,845,331.60 = 1,991,885.40 : x
  2. Step 2: Convert to fraction form
    5,230,168.44/7,845,331.60 = 1,991,885.40/x
  3. Step 3: Cross multiply
    5,230,168.44x = 7,845,331.60 × 1,991,885.40
  4. Step 4: Simplify right side
    5,230,168.44x = 15,627,001,472,198.64
  5. Step 5: Solve for x
    x = 15,627,001,472,198.64/5,230,168.44
  6. Step 6: Final answer
    x = 2,987,858.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.