Home / 1,906,674.86-2,631,262.68-1,121,795.55

Finding the Fourth Proportional to 1,906,674.86, 2,631,262.68 and 1,121,795.55

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Solution

The fourth proportional to 1,906,674.86, 2,631,262.68 and 1,121,795.55 is: 1,548,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,674.86 : 2,631,262.68 = 1,121,795.55 : x
  2. Step 2: Convert to fraction form
    1,906,674.86/2,631,262.68 = 1,121,795.55/x
  3. Step 3: Cross multiply
    1,906,674.86x = 2,631,262.68 × 1,121,795.55
  4. Step 4: Simplify right side
    1,906,674.86x = 2,951,738,765,305.07
  5. Step 5: Solve for x
    x = 2,951,738,765,305.07/1,906,674.86
  6. Step 6: Final answer
    x = 1,548,108.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.