Home / 2,086,967.72-3,125,136.81-1,374,836.78

Finding the Fourth Proportional to 2,086,967.72, 3,125,136.81 and 1,374,836.78

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Solution

The fourth proportional to 2,086,967.72, 3,125,136.81 and 1,374,836.78 is: 2,058,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,967.72 : 3,125,136.81 = 1,374,836.78 : x
  2. Step 2: Convert to fraction form
    2,086,967.72/3,125,136.81 = 1,374,836.78/x
  3. Step 3: Cross multiply
    2,086,967.72x = 3,125,136.81 × 1,374,836.78
  4. Step 4: Simplify right side
    2,086,967.72x = 4,296,553,028,919.87
  5. Step 5: Solve for x
    x = 4,296,553,028,919.87/2,086,967.72
  6. Step 6: Final answer
    x = 2,058,753.95

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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.