Home / 2,999,651.88-4,500,138.78-869,824.92

Finding the Fourth Proportional to 2,999,651.88, 4,500,138.78 and 869,824.92

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Solution

The fourth proportional to 2,999,651.88, 4,500,138.78 and 869,824.92 is: 1,304,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,651.88 : 4,500,138.78 = 869,824.92 : x
  2. Step 2: Convert to fraction form
    2,999,651.88/4,500,138.78 = 869,824.92/x
  3. Step 3: Cross multiply
    2,999,651.88x = 4,500,138.78 × 869,824.92
  4. Step 4: Simplify right side
    2,999,651.88x = 3,914,332,854,302.40
  5. Step 5: Solve for x
    x = 3,914,332,854,302.40/2,999,651.88
  6. Step 6: Final answer
    x = 1,304,929.04

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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.