Home / 2,311,794.37-3,190,281.47-1,279,377.28

Finding the Fourth Proportional to 2,311,794.37, 3,190,281.47 and 1,279,377.28

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Solution

The fourth proportional to 2,311,794.37, 3,190,281.47 and 1,279,377.28 is: 1,765,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,794.37 : 3,190,281.47 = 1,279,377.28 : x
  2. Step 2: Convert to fraction form
    2,311,794.37/3,190,281.47 = 1,279,377.28/x
  3. Step 3: Cross multiply
    2,311,794.37x = 3,190,281.47 × 1,279,377.28
  4. Step 4: Simplify right side
    2,311,794.37x = 4,081,573,616,770.04
  5. Step 5: Solve for x
    x = 4,081,573,616,770.04/2,311,794.37
  6. Step 6: Final answer
    x = 1,765,543.54

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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.