Home / 2,680,978.66-4,021,432.96-659,240.09

Finding the Fourth Proportional to 2,680,978.66, 4,021,432.96 and 659,240.09

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Solution

The fourth proportional to 2,680,978.66, 4,021,432.96 and 659,240.09 is: 988,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,978.66 : 4,021,432.96 = 659,240.09 : x
  2. Step 2: Convert to fraction form
    2,680,978.66/4,021,432.96 = 659,240.09/x
  3. Step 3: Cross multiply
    2,680,978.66x = 4,021,432.96 × 659,240.09
  4. Step 4: Simplify right side
    2,680,978.66x = 2,651,089,809,651.82
  5. Step 5: Solve for x
    x = 2,651,089,809,651.82/2,680,978.66
  6. Step 6: Final answer
    x = 988,851.51

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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.