Home / 2,378,701.82-3,282,633.04-1,290,982.78

Finding the Fourth Proportional to 2,378,701.82, 3,282,633.04 and 1,290,982.78

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Solution

The fourth proportional to 2,378,701.82, 3,282,633.04 and 1,290,982.78 is: 1,781,569.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,701.82 : 3,282,633.04 = 1,290,982.78 : x
  2. Step 2: Convert to fraction form
    2,378,701.82/3,282,633.04 = 1,290,982.78/x
  3. Step 3: Cross multiply
    2,378,701.82x = 3,282,633.04 × 1,290,982.78
  4. Step 4: Simplify right side
    2,378,701.82x = 4,237,822,727,699.05
  5. Step 5: Solve for x
    x = 4,237,822,727,699.05/2,378,701.82
  6. Step 6: Final answer
    x = 1,781,569.55

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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.