Home / 2,787,340.80-4,183,635.60-1,724,458.80

Finding the Fourth Proportional to 2,787,340.80, 4,183,635.60 and 1,724,458.80

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Solution

The fourth proportional to 2,787,340.80, 4,183,635.60 and 1,724,458.80 is: 2,588,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,340.80 : 4,183,635.60 = 1,724,458.80 : x
  2. Step 2: Convert to fraction form
    2,787,340.80/4,183,635.60 = 1,724,458.80/x
  3. Step 3: Cross multiply
    2,787,340.80x = 4,183,635.60 × 1,724,458.80
  4. Step 4: Simplify right side
    2,787,340.80x = 7,214,507,226,413.28
  5. Step 5: Solve for x
    x = 7,214,507,226,413.28/2,787,340.80
  6. Step 6: Final answer
    x = 2,588,311.85

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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.