Home / 2,791,644.35-4,168,555.79-2,216,572.70

Finding the Fourth Proportional to 2,791,644.35, 4,168,555.79 and 2,216,572.70

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Solution

The fourth proportional to 2,791,644.35, 4,168,555.79 and 2,216,572.70 is: 3,309,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,644.35 : 4,168,555.79 = 2,216,572.70 : x
  2. Step 2: Convert to fraction form
    2,791,644.35/4,168,555.79 = 2,216,572.70/x
  3. Step 3: Cross multiply
    2,791,644.35x = 4,168,555.79 × 2,216,572.70
  4. Step 4: Simplify right side
    2,791,644.35x = 9,239,906,930,615.29
  5. Step 5: Solve for x
    x = 9,239,906,930,615.29/2,791,644.35
  6. Step 6: Final answer
    x = 3,309,843.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.