Home / 6,387,893.40-9,581,840.10-3,193,512.60

Finding the Fourth Proportional to 6,387,893.40, 9,581,840.10 and 3,193,512.60

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Solution

The fourth proportional to 6,387,893.40, 9,581,840.10 and 3,193,512.60 is: 4,790,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,893.40 : 9,581,840.10 = 3,193,512.60 : x
  2. Step 2: Convert to fraction form
    6,387,893.40/9,581,840.10 = 3,193,512.60/x
  3. Step 3: Cross multiply
    6,387,893.40x = 9,581,840.10 × 3,193,512.60
  4. Step 4: Simplify right side
    6,387,893.40x = 30,599,727,090,535.26
  5. Step 5: Solve for x
    x = 30,599,727,090,535.26/6,387,893.40
  6. Step 6: Final answer
    x = 4,790,268.90

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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.