Home / 3,162,685.80-4,744,028.70-766,530.44

Finding the Fourth Proportional to 3,162,685.80, 4,744,028.70 and 766,530.44

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Solution

The fourth proportional to 3,162,685.80, 4,744,028.70 and 766,530.44 is: 1,149,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,685.80 : 4,744,028.70 = 766,530.44 : x
  2. Step 2: Convert to fraction form
    3,162,685.80/4,744,028.70 = 766,530.44/x
  3. Step 3: Cross multiply
    3,162,685.80x = 4,744,028.70 × 766,530.44
  4. Step 4: Simplify right side
    3,162,685.80x = 3,636,442,383,063.49
  5. Step 5: Solve for x
    x = 3,636,442,383,063.49/3,162,685.80
  6. Step 6: Final answer
    x = 1,149,795.65

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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.