Home / 2,177,818.20-3,267,391.88-1,113,607.80

Finding the Fourth Proportional to 2,177,818.20, 3,267,391.88 and 1,113,607.80

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Solution

The fourth proportional to 2,177,818.20, 3,267,391.88 and 1,113,607.80 is: 1,670,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,818.20 : 3,267,391.88 = 1,113,607.80 : x
  2. Step 2: Convert to fraction form
    2,177,818.20/3,267,391.88 = 1,113,607.80/x
  3. Step 3: Cross multiply
    2,177,818.20x = 3,267,391.88 × 1,113,607.80
  4. Step 4: Simplify right side
    2,177,818.20x = 3,638,593,083,224.66
  5. Step 5: Solve for x
    x = 3,638,593,083,224.66/2,177,818.20
  6. Step 6: Final answer
    x = 1,670,751.53

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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.