Home / 2,628,236.72-3,942,781.08-1,029,933.20

Finding the Fourth Proportional to 2,628,236.72, 3,942,781.08 and 1,029,933.20

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Solution

The fourth proportional to 2,628,236.72, 3,942,781.08 and 1,029,933.20 is: 1,545,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,236.72 : 3,942,781.08 = 1,029,933.20 : x
  2. Step 2: Convert to fraction form
    2,628,236.72/3,942,781.08 = 1,029,933.20/x
  3. Step 3: Cross multiply
    2,628,236.72x = 3,942,781.08 × 1,029,933.20
  4. Step 4: Simplify right side
    2,628,236.72x = 4,060,801,134,623.86
  5. Step 5: Solve for x
    x = 4,060,801,134,623.86/2,628,236.72
  6. Step 6: Final answer
    x = 1,545,066.74

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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.