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Finding the Fourth Proportional to 2,019,991.03, 2,786,751.24 and 1,408,505.83

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Solution

The fourth proportional to 2,019,991.03, 2,786,751.24 and 1,408,505.83 is: 1,943,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,991.03 : 2,786,751.24 = 1,408,505.83 : x
  2. Step 2: Convert to fraction form
    2,019,991.03/2,786,751.24 = 1,408,505.83/x
  3. Step 3: Cross multiply
    2,019,991.03x = 2,786,751.24 × 1,408,505.83
  4. Step 4: Simplify right side
    2,019,991.03x = 3,925,155,356,050.95
  5. Step 5: Solve for x
    x = 3,925,155,356,050.95/2,019,991.03
  6. Step 6: Final answer
    x = 1,943,154.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.