Home / 2,361,339.76-3,258,638.04-1,288,251.76

Finding the Fourth Proportional to 2,361,339.76, 3,258,638.04 and 1,288,251.76

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Solution

The fourth proportional to 2,361,339.76, 3,258,638.04 and 1,288,251.76 is: 1,777,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361,339.76 : 3,258,638.04 = 1,288,251.76 : x
  2. Step 2: Convert to fraction form
    2,361,339.76/3,258,638.04 = 1,288,251.76/x
  3. Step 3: Cross multiply
    2,361,339.76x = 3,258,638.04 × 1,288,251.76
  4. Step 4: Simplify right side
    2,361,339.76x = 4,197,946,190,232.95
  5. Step 5: Solve for x
    x = 4,197,946,190,232.95/2,361,339.76
  6. Step 6: Final answer
    x = 1,777,781.52

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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.