Home / 3,321,620.60-4,982,430.90-1,642,004.60

Finding the Fourth Proportional to 3,321,620.60, 4,982,430.90 and 1,642,004.60

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Solution

The fourth proportional to 3,321,620.60, 4,982,430.90 and 1,642,004.60 is: 2,463,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,620.60 : 4,982,430.90 = 1,642,004.60 : x
  2. Step 2: Convert to fraction form
    3,321,620.60/4,982,430.90 = 1,642,004.60/x
  3. Step 3: Cross multiply
    3,321,620.60x = 4,982,430.90 × 1,642,004.60
  4. Step 4: Simplify right side
    3,321,620.60x = 8,181,174,456,982.14
  5. Step 5: Solve for x
    x = 8,181,174,456,982.14/3,321,620.60
  6. Step 6: Final answer
    x = 2,463,006.90

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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.