Home / 4,220,364.74-5,821,979.85-2,769,858.86

Finding the Fourth Proportional to 4,220,364.74, 5,821,979.85 and 2,769,858.86

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Solution

The fourth proportional to 4,220,364.74, 5,821,979.85 and 2,769,858.86 is: 3,821,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220,364.74 : 5,821,979.85 = 2,769,858.86 : x
  2. Step 2: Convert to fraction form
    4,220,364.74/5,821,979.85 = 2,769,858.86/x
  3. Step 3: Cross multiply
    4,220,364.74x = 5,821,979.85 × 2,769,858.86
  4. Step 4: Simplify right side
    4,220,364.74x = 16,126,062,470,263.97
  5. Step 5: Solve for x
    x = 16,126,062,470,263.97/4,220,364.74
  6. Step 6: Final answer
    x = 3,821,011.56

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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.