Home / 3,970,343.40-5,939,768.70-3,443,713.80

Finding the Fourth Proportional to 3,970,343.40, 5,939,768.70 and 3,443,713.80

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Solution

The fourth proportional to 3,970,343.40, 5,939,768.70 and 3,443,713.80 is: 5,151,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,343.40 : 5,939,768.70 = 3,443,713.80 : x
  2. Step 2: Convert to fraction form
    3,970,343.40/5,939,768.70 = 3,443,713.80/x
  3. Step 3: Cross multiply
    3,970,343.40x = 5,939,768.70 × 3,443,713.80
  4. Step 4: Simplify right side
    3,970,343.40x = 20,454,863,440,998.06
  5. Step 5: Solve for x
    x = 20,454,863,440,998.06/3,970,343.40
  6. Step 6: Final answer
    x = 5,151,912.92

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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.