Home / 2,685,015.11-4,026,907.22-765,889.79

Finding the Fourth Proportional to 2,685,015.11, 4,026,907.22 and 765,889.79

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Solution

The fourth proportional to 2,685,015.11, 4,026,907.22 and 765,889.79 is: 1,148,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,015.11 : 4,026,907.22 = 765,889.79 : x
  2. Step 2: Convert to fraction form
    2,685,015.11/4,026,907.22 = 765,889.79/x
  3. Step 3: Cross multiply
    2,685,015.11x = 4,026,907.22 × 765,889.79
  4. Step 4: Simplify right side
    2,685,015.11x = 3,084,167,121,245.84
  5. Step 5: Solve for x
    x = 3,084,167,121,245.84/2,685,015.11
  6. Step 6: Final answer
    x = 1,148,659.13

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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.