Home / 2,089,015.86-3,133,523.80-1,378,877.78

Finding the Fourth Proportional to 2,089,015.86, 3,133,523.80 and 1,378,877.78

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Solution

The fourth proportional to 2,089,015.86, 3,133,523.80 and 1,378,877.78 is: 2,068,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,015.86 : 3,133,523.80 = 1,378,877.78 : x
  2. Step 2: Convert to fraction form
    2,089,015.86/3,133,523.80 = 1,378,877.78/x
  3. Step 3: Cross multiply
    2,089,015.86x = 3,133,523.80 × 1,378,877.78
  4. Step 4: Simplify right side
    2,089,015.86x = 4,320,746,340,921.16
  5. Step 5: Solve for x
    x = 4,320,746,340,921.16/2,089,015.86
  6. Step 6: Final answer
    x = 2,068,316.68

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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.