Home / 3,786,200.48-5,680,959.60-1,988,667.92

Finding the Fourth Proportional to 3,786,200.48, 5,680,959.60 and 1,988,667.92

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Solution

The fourth proportional to 3,786,200.48, 5,680,959.60 and 1,988,667.92 is: 2,983,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,200.48 : 5,680,959.60 = 1,988,667.92 : x
  2. Step 2: Convert to fraction form
    3,786,200.48/5,680,959.60 = 1,988,667.92/x
  3. Step 3: Cross multiply
    3,786,200.48x = 5,680,959.60 × 1,988,667.92
  4. Step 4: Simplify right side
    3,786,200.48x = 11,297,542,111,336.03
  5. Step 5: Solve for x
    x = 11,297,542,111,336.03/3,786,200.48
  6. Step 6: Final answer
    x = 2,983,873.19

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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.