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Finding the Fourth Proportional to 5,844,561.72, 8,767,990.68 and 1,800,361.32

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Solution

The fourth proportional to 5,844,561.72, 8,767,990.68 and 1,800,361.32 is: 2,700,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,844,561.72 : 8,767,990.68 = 1,800,361.32 : x
  2. Step 2: Convert to fraction form
    5,844,561.72/8,767,990.68 = 1,800,361.32/x
  3. Step 3: Cross multiply
    5,844,561.72x = 8,767,990.68 × 1,800,361.32
  4. Step 4: Simplify right side
    5,844,561.72x = 15,785,551,274,392.50
  5. Step 5: Solve for x
    x = 15,785,551,274,392.50/5,844,561.72
  6. Step 6: Final answer
    x = 2,700,895.64

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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.