Home / 2,085,556.51-3,129,518.17-1,125,999.32

Finding the Fourth Proportional to 2,085,556.51, 3,129,518.17 and 1,125,999.32

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Solution

The fourth proportional to 2,085,556.51, 3,129,518.17 and 1,125,999.32 is: 1,689,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,556.51 : 3,129,518.17 = 1,125,999.32 : x
  2. Step 2: Convert to fraction form
    2,085,556.51/3,129,518.17 = 1,125,999.32/x
  3. Step 3: Cross multiply
    2,085,556.51x = 3,129,518.17 × 1,125,999.32
  4. Step 4: Simplify right side
    2,085,556.51x = 3,523,835,331,347.64
  5. Step 5: Solve for x
    x = 3,523,835,331,347.64/2,085,556.51
  6. Step 6: Final answer
    x = 1,689,637.90

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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.