Home / 2,219,886.28-3,328,481.01-870,432.13

Finding the Fourth Proportional to 2,219,886.28, 3,328,481.01 and 870,432.13

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Solution

The fourth proportional to 2,219,886.28, 3,328,481.01 and 870,432.13 is: 1,305,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,886.28 : 3,328,481.01 = 870,432.13 : x
  2. Step 2: Convert to fraction form
    2,219,886.28/3,328,481.01 = 870,432.13/x
  3. Step 3: Cross multiply
    2,219,886.28x = 3,328,481.01 × 870,432.13
  4. Step 4: Simplify right side
    2,219,886.28x = 2,897,216,815,198.85
  5. Step 5: Solve for x
    x = 2,897,216,815,198.85/2,219,886.28
  6. Step 6: Final answer
    x = 1,305,119.47

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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.