Home / 3,451,998.79-5,178,205.78-1,055,864.18

Finding the Fourth Proportional to 3,451,998.79, 5,178,205.78 and 1,055,864.18

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Solution

The fourth proportional to 3,451,998.79, 5,178,205.78 and 1,055,864.18 is: 1,583,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,998.79 : 5,178,205.78 = 1,055,864.18 : x
  2. Step 2: Convert to fraction form
    3,451,998.79/5,178,205.78 = 1,055,864.18/x
  3. Step 3: Cross multiply
    3,451,998.79x = 5,178,205.78 × 1,055,864.18
  4. Step 4: Simplify right side
    3,451,998.79x = 5,467,481,994,491.64
  5. Step 5: Solve for x
    x = 5,467,481,994,491.64/3,451,998.79
  6. Step 6: Final answer
    x = 1,583,859.77

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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.