Home / 2,808,720.89-4,214,413.68-1,945,482.94

Finding the Fourth Proportional to 2,808,720.89, 4,214,413.68 and 1,945,482.94

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Solution

The fourth proportional to 2,808,720.89, 4,214,413.68 and 1,945,482.94 is: 2,919,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,720.89 : 4,214,413.68 = 1,945,482.94 : x
  2. Step 2: Convert to fraction form
    2,808,720.89/4,214,413.68 = 1,945,482.94/x
  3. Step 3: Cross multiply
    2,808,720.89x = 4,214,413.68 × 1,945,482.94
  4. Step 4: Simplify right side
    2,808,720.89x = 8,199,069,916,542.62
  5. Step 5: Solve for x
    x = 8,199,069,916,542.62/2,808,720.89
  6. Step 6: Final answer
    x = 2,919,147.27

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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.