Home / 3,947,455.20-5,910,685.20-2,519,781.60

Finding the Fourth Proportional to 3,947,455.20, 5,910,685.20 and 2,519,781.60

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Solution

The fourth proportional to 3,947,455.20, 5,910,685.20 and 2,519,781.60 is: 3,772,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,455.20 : 5,910,685.20 = 2,519,781.60 : x
  2. Step 2: Convert to fraction form
    3,947,455.20/5,910,685.20 = 2,519,781.60/x
  3. Step 3: Cross multiply
    3,947,455.20x = 5,910,685.20 × 2,519,781.60
  4. Step 4: Simplify right side
    3,947,455.20x = 14,893,635,810,352.32
  5. Step 5: Solve for x
    x = 14,893,635,810,352.32/3,947,455.20
  6. Step 6: Final answer
    x = 3,772,971.46

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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.