Home / 1,810,981.06-2,498,608.87-1,085,564.09

Finding the Fourth Proportional to 1,810,981.06, 2,498,608.87 and 1,085,564.09

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Solution

The fourth proportional to 1,810,981.06, 2,498,608.87 and 1,085,564.09 is: 1,497,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,981.06 : 2,498,608.87 = 1,085,564.09 : x
  2. Step 2: Convert to fraction form
    1,810,981.06/2,498,608.87 = 1,085,564.09/x
  3. Step 3: Cross multiply
    1,810,981.06x = 2,498,608.87 × 1,085,564.09
  4. Step 4: Simplify right side
    1,810,981.06x = 2,712,400,067,760.09
  5. Step 5: Solve for x
    x = 2,712,400,067,760.09/1,810,981.06
  6. Step 6: Final answer
    x = 1,497,751.76

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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.