Home / 2,099,886.79-3,150,289.56-680,086.39

Finding the Fourth Proportional to 2,099,886.79, 3,150,289.56 and 680,086.39

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Solution

The fourth proportional to 2,099,886.79, 3,150,289.56 and 680,086.39 is: 1,020,278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,886.79 : 3,150,289.56 = 680,086.39 : x
  2. Step 2: Convert to fraction form
    2,099,886.79/3,150,289.56 = 680,086.39/x
  3. Step 3: Cross multiply
    2,099,886.79x = 3,150,289.56 × 680,086.39
  4. Step 4: Simplify right side
    2,099,886.79x = 2,142,469,054,315.09
  5. Step 5: Solve for x
    x = 2,142,469,054,315.09/2,099,886.79
  6. Step 6: Final answer
    x = 1,020,278.36

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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.