Home / 5,431,974.70-8,148,946.20-2,729,498.80

Finding the Fourth Proportional to 5,431,974.70, 8,148,946.20 and 2,729,498.80

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Solution

The fourth proportional to 5,431,974.70, 8,148,946.20 and 2,729,498.80 is: 4,094,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,974.70 : 8,148,946.20 = 2,729,498.80 : x
  2. Step 2: Convert to fraction form
    5,431,974.70/8,148,946.20 = 2,729,498.80/x
  3. Step 3: Cross multiply
    5,431,974.70x = 8,148,946.20 × 2,729,498.80
  4. Step 4: Simplify right side
    5,431,974.70x = 22,242,538,874,164.56
  5. Step 5: Solve for x
    x = 22,242,538,874,164.56/5,431,974.70
  6. Step 6: Final answer
    x = 4,094,742.72

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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.