Home / 2,999,644.38-4,500,127.53-869,817.42

Finding the Fourth Proportional to 2,999,644.38, 4,500,127.53 and 869,817.42

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Solution

The fourth proportional to 2,999,644.38, 4,500,127.53 and 869,817.42 is: 1,304,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,644.38 : 4,500,127.53 = 869,817.42 : x
  2. Step 2: Convert to fraction form
    2,999,644.38/4,500,127.53 = 869,817.42/x
  3. Step 3: Cross multiply
    2,999,644.38x = 4,500,127.53 × 869,817.42
  4. Step 4: Simplify right side
    2,999,644.38x = 3,914,289,317,815.57
  5. Step 5: Solve for x
    x = 3,914,289,317,815.57/2,999,644.38
  6. Step 6: Final answer
    x = 1,304,917.79

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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.