Home / 2,751,153.90-4,123,231.65-1,328,145.90

Finding the Fourth Proportional to 2,751,153.90, 4,123,231.65 and 1,328,145.90

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Solution

The fourth proportional to 2,751,153.90, 4,123,231.65 and 1,328,145.90 is: 1,990,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,153.90 : 4,123,231.65 = 1,328,145.90 : x
  2. Step 2: Convert to fraction form
    2,751,153.90/4,123,231.65 = 1,328,145.90/x
  3. Step 3: Cross multiply
    2,751,153.90x = 4,123,231.65 × 1,328,145.90
  4. Step 4: Simplify right side
    2,751,153.90x = 5,476,253,210,697.73
  5. Step 5: Solve for x
    x = 5,476,253,210,697.73/2,751,153.90
  6. Step 6: Final answer
    x = 1,990,529.58

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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.