Home / 1,874,481.60-2,811,722.40-1,373,131.20

Finding the Fourth Proportional to 1,874,481.60, 2,811,722.40 and 1,373,131.20

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Solution

The fourth proportional to 1,874,481.60, 2,811,722.40 and 1,373,131.20 is: 2,059,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,481.60 : 2,811,722.40 = 1,373,131.20 : x
  2. Step 2: Convert to fraction form
    1,874,481.60/2,811,722.40 = 1,373,131.20/x
  3. Step 3: Cross multiply
    1,874,481.60x = 2,811,722.40 × 1,373,131.20
  4. Step 4: Simplify right side
    1,874,481.60x = 3,860,863,753,178.88
  5. Step 5: Solve for x
    x = 3,860,863,753,178.88/1,874,481.60
  6. Step 6: Final answer
    x = 2,059,696.80

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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.