Home / 2,101,886.34-3,153,272.31-681,831.54

Finding the Fourth Proportional to 2,101,886.34, 3,153,272.31 and 681,831.54

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Solution

The fourth proportional to 2,101,886.34, 3,153,272.31 and 681,831.54 is: 1,022,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,886.34 : 3,153,272.31 = 681,831.54 : x
  2. Step 2: Convert to fraction form
    2,101,886.34/3,153,272.31 = 681,831.54/x
  3. Step 3: Cross multiply
    2,101,886.34x = 3,153,272.31 × 681,831.54
  4. Step 4: Simplify right side
    2,101,886.34x = 2,150,000,515,166.66
  5. Step 5: Solve for x
    x = 2,150,000,515,166.66/2,101,886.34
  6. Step 6: Final answer
    x = 1,022,890.95

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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.