Home / 2,685,015.61-4,026,907.97-765,890.29

Finding the Fourth Proportional to 2,685,015.61, 4,026,907.97 and 765,890.29

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Solution

The fourth proportional to 2,685,015.61, 4,026,907.97 and 765,890.29 is: 1,148,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,015.61 : 4,026,907.97 = 765,890.29 : x
  2. Step 2: Convert to fraction form
    2,685,015.61/4,026,907.97 = 765,890.29/x
  3. Step 3: Cross multiply
    2,685,015.61x = 4,026,907.97 × 765,890.29
  4. Step 4: Simplify right side
    2,685,015.61x = 3,084,169,709,117.16
  5. Step 5: Solve for x
    x = 3,084,169,709,117.16/2,685,015.61
  6. Step 6: Final answer
    x = 1,148,659.88

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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.