Home / 2,821,226.82-3,894,484.76-1,904,697.35

Finding the Fourth Proportional to 2,821,226.82, 3,894,484.76 and 1,904,697.35

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Solution

The fourth proportional to 2,821,226.82, 3,894,484.76 and 1,904,697.35 is: 2,629,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,226.82 : 3,894,484.76 = 1,904,697.35 : x
  2. Step 2: Convert to fraction form
    2,821,226.82/3,894,484.76 = 1,904,697.35/x
  3. Step 3: Cross multiply
    2,821,226.82x = 3,894,484.76 × 1,904,697.35
  4. Step 4: Simplify right side
    2,821,226.82x = 7,417,814,772,991.48
  5. Step 5: Solve for x
    x = 7,417,814,772,991.48/2,821,226.82
  6. Step 6: Final answer
    x = 2,629,286.92

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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.