Home / 3,151,149.89-4,344,202.13-2,663,142.71

Finding the Fourth Proportional to 3,151,149.89, 4,344,202.13 and 2,663,142.71

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Solution

The fourth proportional to 3,151,149.89, 4,344,202.13 and 2,663,142.71 is: 3,671,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,149.89 : 4,344,202.13 = 2,663,142.71 : x
  2. Step 2: Convert to fraction form
    3,151,149.89/4,344,202.13 = 2,663,142.71/x
  3. Step 3: Cross multiply
    3,151,149.89x = 4,344,202.13 × 2,663,142.71
  4. Step 4: Simplify right side
    3,151,149.89x = 11,569,230,198,239.25
  5. Step 5: Solve for x
    x = 11,569,230,198,239.25/3,151,149.89
  6. Step 6: Final answer
    x = 3,671,431.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.