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Finding the Fourth Proportional to 2,611,579.56, 3,917,398.03 and 789,963.00

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Solution

The fourth proportional to 2,611,579.56, 3,917,398.03 and 789,963.00 is: 1,184,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611,579.56 : 3,917,398.03 = 789,963.00 : x
  2. Step 2: Convert to fraction form
    2,611,579.56/3,917,398.03 = 789,963.00/x
  3. Step 3: Cross multiply
    2,611,579.56x = 3,917,398.03 × 789,963.00
  4. Step 4: Simplify right side
    2,611,579.56x = 3,094,599,486,229.58
  5. Step 5: Solve for x
    x = 3,094,599,486,229.58/2,611,579.56
  6. Step 6: Final answer
    x = 1,184,953.17

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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.