Home / 1,951,225.76-2,692,370.31-1,225,556.57

Finding the Fourth Proportional to 1,951,225.76, 2,692,370.31 and 1,225,556.57

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Solution

The fourth proportional to 1,951,225.76, 2,692,370.31 and 1,225,556.57 is: 1,691,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,225.76 : 2,692,370.31 = 1,225,556.57 : x
  2. Step 2: Convert to fraction form
    1,951,225.76/2,692,370.31 = 1,225,556.57/x
  3. Step 3: Cross multiply
    1,951,225.76x = 2,692,370.31 × 1,225,556.57
  4. Step 4: Simplify right side
    1,951,225.76x = 3,299,652,108,831.59
  5. Step 5: Solve for x
    x = 3,299,652,108,831.59/1,951,225.76
  6. Step 6: Final answer
    x = 1,691,066.30

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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.