Home / 2,311,783.23-3,190,213.06-1,279,290.39

Finding the Fourth Proportional to 2,311,783.23, 3,190,213.06 and 1,279,290.39

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Solution

The fourth proportional to 2,311,783.23, 3,190,213.06 and 1,279,290.39 is: 1,765,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,783.23 : 3,190,213.06 = 1,279,290.39 : x
  2. Step 2: Convert to fraction form
    2,311,783.23/3,190,213.06 = 1,279,290.39/x
  3. Step 3: Cross multiply
    2,311,783.23x = 3,190,213.06 × 1,279,290.39
  4. Step 4: Simplify right side
    2,311,783.23x = 4,081,208,887,362.98
  5. Step 5: Solve for x
    x = 4,081,208,887,362.98/2,311,783.23
  6. Step 6: Final answer
    x = 1,765,394.28

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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.