Home / 2,801,052.40-4,198,256.70-2,515,402.60

Finding the Fourth Proportional to 2,801,052.40, 4,198,256.70 and 2,515,402.60

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Solution

The fourth proportional to 2,801,052.40, 4,198,256.70 and 2,515,402.60 is: 3,770,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,052.40 : 4,198,256.70 = 2,515,402.60 : x
  2. Step 2: Convert to fraction form
    2,801,052.40/4,198,256.70 = 2,515,402.60/x
  3. Step 3: Cross multiply
    2,801,052.40x = 4,198,256.70 × 2,515,402.60
  4. Step 4: Simplify right side
    2,801,052.40x = 10,560,305,818,647.42
  5. Step 5: Solve for x
    x = 10,560,305,818,647.42/2,801,052.40
  6. Step 6: Final answer
    x = 3,770,120.77

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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.