Home / 1,958,467.13-2,936,755.81-820,923.89

Finding the Fourth Proportional to 1,958,467.13, 2,936,755.81 and 820,923.89

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Solution

The fourth proportional to 1,958,467.13, 2,936,755.81 and 820,923.89 is: 1,230,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,467.13 : 2,936,755.81 = 820,923.89 : x
  2. Step 2: Convert to fraction form
    1,958,467.13/2,936,755.81 = 820,923.89/x
  3. Step 3: Cross multiply
    1,958,467.13x = 2,936,755.81 × 820,923.89
  4. Step 4: Simplify right side
    1,958,467.13x = 2,410,853,013,219.76
  5. Step 5: Solve for x
    x = 2,410,853,013,219.76/1,958,467.13
  6. Step 6: Final answer
    x = 1,230,989.78

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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.