Home / 3,911,990.96-5,398,806.66-2,193,222.80

Finding the Fourth Proportional to 3,911,990.96, 5,398,806.66 and 2,193,222.80

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Solution

The fourth proportional to 3,911,990.96, 5,398,806.66 and 2,193,222.80 is: 3,026,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,990.96 : 5,398,806.66 = 2,193,222.80 : x
  2. Step 2: Convert to fraction form
    3,911,990.96/5,398,806.66 = 2,193,222.80/x
  3. Step 3: Cross multiply
    3,911,990.96x = 5,398,806.66 × 2,193,222.80
  4. Step 4: Simplify right side
    3,911,990.96x = 11,840,785,859,503.85
  5. Step 5: Solve for x
    x = 11,840,785,859,503.85/3,911,990.96
  6. Step 6: Final answer
    x = 3,026,792.75

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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.