Home / 2,999,645.38-4,500,129.03-869,818.42

Finding the Fourth Proportional to 2,999,645.38, 4,500,129.03 and 869,818.42

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Solution

The fourth proportional to 2,999,645.38, 4,500,129.03 and 869,818.42 is: 1,304,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,645.38 : 4,500,129.03 = 869,818.42 : x
  2. Step 2: Convert to fraction form
    2,999,645.38/4,500,129.03 = 869,818.42/x
  3. Step 3: Cross multiply
    2,999,645.38x = 4,500,129.03 × 869,818.42
  4. Step 4: Simplify right side
    2,999,645.38x = 3,914,295,122,670.73
  5. Step 5: Solve for x
    x = 3,914,295,122,670.73/2,999,645.38
  6. Step 6: Final answer
    x = 1,304,919.29

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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.