Home / 5,378,116.80-8,066,980.80-2,183,152.80

Finding the Fourth Proportional to 5,378,116.80, 8,066,980.80 and 2,183,152.80

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Solution

The fourth proportional to 5,378,116.80, 8,066,980.80 and 2,183,152.80 is: 3,274,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,116.80 : 8,066,980.80 = 2,183,152.80 : x
  2. Step 2: Convert to fraction form
    5,378,116.80/8,066,980.80 = 2,183,152.80/x
  3. Step 3: Cross multiply
    5,378,116.80x = 8,066,980.80 × 2,183,152.80
  4. Step 4: Simplify right side
    5,378,116.80x = 17,611,451,721,066.24
  5. Step 5: Solve for x
    x = 17,611,451,721,066.24/5,378,116.80
  6. Step 6: Final answer
    x = 3,274,650.29

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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.