Home / 2,629,009.70-3,943,514.55-2,180,237.30

Finding the Fourth Proportional to 2,629,009.70, 3,943,514.55 and 2,180,237.30

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Solution

The fourth proportional to 2,629,009.70, 3,943,514.55 and 2,180,237.30 is: 3,270,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,009.70 : 3,943,514.55 = 2,180,237.30 : x
  2. Step 2: Convert to fraction form
    2,629,009.70/3,943,514.55 = 2,180,237.30/x
  3. Step 3: Cross multiply
    2,629,009.70x = 3,943,514.55 × 2,180,237.30
  4. Step 4: Simplify right side
    2,629,009.70x = 8,597,797,515,002.71
  5. Step 5: Solve for x
    x = 8,597,797,515,002.71/2,629,009.70
  6. Step 6: Final answer
    x = 3,270,355.95

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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.