Home / 1,989,087.44-2,969,451.30-1,919,103.44

Finding the Fourth Proportional to 1,989,087.44, 2,969,451.30 and 1,919,103.44

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Solution

The fourth proportional to 1,989,087.44, 2,969,451.30 and 1,919,103.44 is: 2,864,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,087.44 : 2,969,451.30 = 1,919,103.44 : x
  2. Step 2: Convert to fraction form
    1,989,087.44/2,969,451.30 = 1,919,103.44/x
  3. Step 3: Cross multiply
    1,989,087.44x = 2,969,451.30 × 1,919,103.44
  4. Step 4: Simplify right side
    1,989,087.44x = 5,698,684,204,742.47
  5. Step 5: Solve for x
    x = 5,698,684,204,742.47/1,989,087.44
  6. Step 6: Final answer
    x = 2,864,974.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.