Home / 2,144,817.53-3,217,223.70-547,380.78

Finding the Fourth Proportional to 2,144,817.53, 3,217,223.70 and 547,380.78

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Solution

The fourth proportional to 2,144,817.53, 3,217,223.70 and 547,380.78 is: 821,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,817.53 : 3,217,223.70 = 547,380.78 : x
  2. Step 2: Convert to fraction form
    2,144,817.53/3,217,223.70 = 547,380.78/x
  3. Step 3: Cross multiply
    2,144,817.53x = 3,217,223.70 × 547,380.78
  4. Step 4: Simplify right side
    2,144,817.53x = 1,761,046,428,352.40
  5. Step 5: Solve for x
    x = 1,761,046,428,352.40/2,144,817.53
  6. Step 6: Final answer
    x = 821,070.51

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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.