Home / 2,459,957.76-3,691,002.34-1,321,391.55

Finding the Fourth Proportional to 2,459,957.76, 3,691,002.34 and 1,321,391.55

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Solution

The fourth proportional to 2,459,957.76, 3,691,002.34 and 1,321,391.55 is: 1,982,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459,957.76 : 3,691,002.34 = 1,321,391.55 : x
  2. Step 2: Convert to fraction form
    2,459,957.76/3,691,002.34 = 1,321,391.55/x
  3. Step 3: Cross multiply
    2,459,957.76x = 3,691,002.34 × 1,321,391.55
  4. Step 4: Simplify right side
    2,459,957.76x = 4,877,259,303,106.23
  5. Step 5: Solve for x
    x = 4,877,259,303,106.23/2,459,957.76
  6. Step 6: Final answer
    x = 1,982,659.78

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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.