Home / 1,900,819.53-2,850,991.38-621,319.95

Finding the Fourth Proportional to 1,900,819.53, 2,850,991.38 and 621,319.95

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Solution

The fourth proportional to 1,900,819.53, 2,850,991.38 and 621,319.95 is: 931,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,819.53 : 2,850,991.38 = 621,319.95 : x
  2. Step 2: Convert to fraction form
    1,900,819.53/2,850,991.38 = 621,319.95/x
  3. Step 3: Cross multiply
    1,900,819.53x = 2,850,991.38 × 621,319.95
  4. Step 4: Simplify right side
    1,900,819.53x = 1,771,377,821,672.03
  5. Step 5: Solve for x
    x = 1,771,377,821,672.03/1,900,819.53
  6. Step 6: Final answer
    x = 931,902.16

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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.