Home / 2,173,609.20-3,257,789.40-1,108,102.80

Finding the Fourth Proportional to 2,173,609.20, 3,257,789.40 and 1,108,102.80

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Solution

The fourth proportional to 2,173,609.20, 3,257,789.40 and 1,108,102.80 is: 1,660,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,609.20 : 3,257,789.40 = 1,108,102.80 : x
  2. Step 2: Convert to fraction form
    2,173,609.20/3,257,789.40 = 1,108,102.80/x
  3. Step 3: Cross multiply
    2,173,609.20x = 3,257,789.40 × 1,108,102.80
  4. Step 4: Simplify right side
    2,173,609.20x = 3,609,965,555,950.32
  5. Step 5: Solve for x
    x = 3,609,965,555,950.32/2,173,609.20
  6. Step 6: Final answer
    x = 1,660,816.28

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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.