Home / 5,393,999.60-8,090,999.40-4,932,105.20

Finding the Fourth Proportional to 5,393,999.60, 8,090,999.40 and 4,932,105.20

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Solution

The fourth proportional to 5,393,999.60, 8,090,999.40 and 4,932,105.20 is: 7,398,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393,999.60 : 8,090,999.40 = 4,932,105.20 : x
  2. Step 2: Convert to fraction form
    5,393,999.60/8,090,999.40 = 4,932,105.20/x
  3. Step 3: Cross multiply
    5,393,999.60x = 8,090,999.40 × 4,932,105.20
  4. Step 4: Simplify right side
    5,393,999.60x = 39,905,660,213,936.88
  5. Step 5: Solve for x
    x = 39,905,660,213,936.88/5,393,999.60
  6. Step 6: Final answer
    x = 7,398,157.80

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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.