Home / 3,947,753.47-5,908,157.37-3,308,778.60

Finding the Fourth Proportional to 3,947,753.47, 5,908,157.37 and 3,308,778.60

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Solution

The fourth proportional to 3,947,753.47, 5,908,157.37 and 3,308,778.60 is: 4,951,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,753.47 : 5,908,157.37 = 3,308,778.60 : x
  2. Step 2: Convert to fraction form
    3,947,753.47/5,908,157.37 = 3,308,778.60/x
  3. Step 3: Cross multiply
    3,947,753.47x = 5,908,157.37 × 3,308,778.60
  4. Step 4: Simplify right side
    3,947,753.47x = 19,548,784,671,288.28
  5. Step 5: Solve for x
    x = 19,548,784,671,288.28/3,947,753.47
  6. Step 6: Final answer
    x = 4,951,875.75

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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.