Home / 1,821,119.01-2,513,078.36-1,005,305.17

Finding the Fourth Proportional to 1,821,119.01, 2,513,078.36 and 1,005,305.17

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Solution

The fourth proportional to 1,821,119.01, 2,513,078.36 and 1,005,305.17 is: 1,387,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,119.01 : 2,513,078.36 = 1,005,305.17 : x
  2. Step 2: Convert to fraction form
    1,821,119.01/2,513,078.36 = 1,005,305.17/x
  3. Step 3: Cross multiply
    1,821,119.01x = 2,513,078.36 × 1,005,305.17
  4. Step 4: Simplify right side
    1,821,119.01x = 2,526,410,667,923.12
  5. Step 5: Solve for x
    x = 2,526,410,667,923.12/1,821,119.01
  6. Step 6: Final answer
    x = 1,387,284.77

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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.