Home / 1,930,069.70-2,893,704.87-1,297,414.34

Finding the Fourth Proportional to 1,930,069.70, 2,893,704.87 and 1,297,414.34

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Solution

The fourth proportional to 1,930,069.70, 2,893,704.87 and 1,297,414.34 is: 1,945,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,069.70 : 2,893,704.87 = 1,297,414.34 : x
  2. Step 2: Convert to fraction form
    1,930,069.70/2,893,704.87 = 1,297,414.34/x
  3. Step 3: Cross multiply
    1,930,069.70x = 2,893,704.87 × 1,297,414.34
  4. Step 4: Simplify right side
    1,930,069.70x = 3,754,334,194,065.84
  5. Step 5: Solve for x
    x = 3,754,334,194,065.84/1,930,069.70
  6. Step 6: Final answer
    x = 1,945,180.63

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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.