Home / 3,669,239.40-5,503,859.10-1,968,628.20

Finding the Fourth Proportional to 3,669,239.40, 5,503,859.10 and 1,968,628.20

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Solution

The fourth proportional to 3,669,239.40, 5,503,859.10 and 1,968,628.20 is: 2,952,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,239.40 : 5,503,859.10 = 1,968,628.20 : x
  2. Step 2: Convert to fraction form
    3,669,239.40/5,503,859.10 = 1,968,628.20/x
  3. Step 3: Cross multiply
    3,669,239.40x = 5,503,859.10 × 1,968,628.20
  4. Step 4: Simplify right side
    3,669,239.40x = 10,835,052,233,086.62
  5. Step 5: Solve for x
    x = 10,835,052,233,086.62/3,669,239.40
  6. Step 6: Final answer
    x = 2,952,942.30

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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.