Home / 2,085,556.57-3,129,518.26-1,125,999.38

Finding the Fourth Proportional to 2,085,556.57, 3,129,518.26 and 1,125,999.38

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Solution

The fourth proportional to 2,085,556.57, 3,129,518.26 and 1,125,999.38 is: 1,689,638.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,556.57 : 3,129,518.26 = 1,125,999.38 : x
  2. Step 2: Convert to fraction form
    2,085,556.57/3,129,518.26 = 1,125,999.38/x
  3. Step 3: Cross multiply
    2,085,556.57x = 3,129,518.26 × 1,125,999.38
  4. Step 4: Simplify right side
    2,085,556.57x = 3,523,835,629,689.97
  5. Step 5: Solve for x
    x = 3,523,835,629,689.97/2,085,556.57
  6. Step 6: Final answer
    x = 1,689,638.00

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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.