Home / 5,138,595-7,090,688.94-2,846,181.60

Finding the Fourth Proportional to 5,138,595, 7,090,688.94 and 2,846,181.60

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Solution

The fourth proportional to 5,138,595, 7,090,688.94 and 2,846,181.60 is: 3,927,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,595 : 7,090,688.94 = 2,846,181.60 : x
  2. Step 2: Convert to fraction form
    5,138,595/7,090,688.94 = 2,846,181.60/x
  3. Step 3: Cross multiply
    5,138,595x = 7,090,688.94 × 2,846,181.60
  4. Step 4: Simplify right side
    5,138,595x = 20,181,388,392,351.50
  5. Step 5: Solve for x
    x = 20,181,388,392,351.50/5,138,595
  6. Step 6: Final answer
    x = 3,927,413.70

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Why These Related Problems?

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