Home / 6,954,912.72-10,431,250.04-1,905,042.64

Finding the Fourth Proportional to 6,954,912.72, 10,431,250.04 and 1,905,042.64

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Solution

The fourth proportional to 6,954,912.72, 10,431,250.04 and 1,905,042.64 is: 2,857,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,954,912.72 : 10,431,250.04 = 1,905,042.64 : x
  2. Step 2: Convert to fraction form
    6,954,912.72/10,431,250.04 = 1,905,042.64/x
  3. Step 3: Cross multiply
    6,954,912.72x = 10,431,250.04 × 1,905,042.64
  4. Step 4: Simplify right side
    6,954,912.72x = 19,871,976,114,701.70
  5. Step 5: Solve for x
    x = 19,871,976,114,701.70/6,954,912.72
  6. Step 6: Final answer
    x = 2,857,257.44

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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.