Home / 3,186,857.64-4,781,778.78-1,589,543.84

Finding the Fourth Proportional to 3,186,857.64, 4,781,778.78 and 1,589,543.84

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Solution

The fourth proportional to 3,186,857.64, 4,781,778.78 and 1,589,543.84 is: 2,385,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,857.64 : 4,781,778.78 = 1,589,543.84 : x
  2. Step 2: Convert to fraction form
    3,186,857.64/4,781,778.78 = 1,589,543.84/x
  3. Step 3: Cross multiply
    3,186,857.64x = 4,781,778.78 × 1,589,543.84
  4. Step 4: Simplify right side
    3,186,857.64x = 7,600,847,003,991.72
  5. Step 5: Solve for x
    x = 7,600,847,003,991.72/3,186,857.64
  6. Step 6: Final answer
    x = 2,385,060.10

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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.