Home / 2,193,321.60-3,289,982.40-1,695,043.20

Finding the Fourth Proportional to 2,193,321.60, 3,289,982.40 and 1,695,043.20

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Solution

The fourth proportional to 2,193,321.60, 3,289,982.40 and 1,695,043.20 is: 2,542,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,321.60 : 3,289,982.40 = 1,695,043.20 : x
  2. Step 2: Convert to fraction form
    2,193,321.60/3,289,982.40 = 1,695,043.20/x
  3. Step 3: Cross multiply
    2,193,321.60x = 3,289,982.40 × 1,695,043.20
  4. Step 4: Simplify right side
    2,193,321.60x = 5,576,662,295,239.68
  5. Step 5: Solve for x
    x = 5,576,662,295,239.68/2,193,321.60
  6. Step 6: Final answer
    x = 2,542,564.80

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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.