Home / 2,157,348.20-3,235,568.70-1,091,388.20

Finding the Fourth Proportional to 2,157,348.20, 3,235,568.70 and 1,091,388.20

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Solution

The fourth proportional to 2,157,348.20, 3,235,568.70 and 1,091,388.20 is: 1,636,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,348.20 : 3,235,568.70 = 1,091,388.20 : x
  2. Step 2: Convert to fraction form
    2,157,348.20/3,235,568.70 = 1,091,388.20/x
  3. Step 3: Cross multiply
    2,157,348.20x = 3,235,568.70 × 1,091,388.20
  4. Step 4: Simplify right side
    2,157,348.20x = 3,531,261,499,469.34
  5. Step 5: Solve for x
    x = 3,531,261,499,469.34/2,157,348.20
  6. Step 6: Final answer
    x = 1,636,852.83

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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.