Home / 1,939,137.45-2,910,034.76-676,965.03

Finding the Fourth Proportional to 1,939,137.45, 2,910,034.76 and 676,965.03

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Solution

The fourth proportional to 1,939,137.45, 2,910,034.76 and 676,965.03 is: 1,015,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,137.45 : 2,910,034.76 = 676,965.03 : x
  2. Step 2: Convert to fraction form
    1,939,137.45/2,910,034.76 = 676,965.03/x
  3. Step 3: Cross multiply
    1,939,137.45x = 2,910,034.76 × 676,965.03
  4. Step 4: Simplify right side
    1,939,137.45x = 1,969,991,765,219.62
  5. Step 5: Solve for x
    x = 1,969,991,765,219.62/1,939,137.45
  6. Step 6: Final answer
    x = 1,015,911.36

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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.