Home / 3,889,178.16-5,367,066-2,146,848

Finding the Fourth Proportional to 3,889,178.16, 5,367,066 and 2,146,848

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Solution

The fourth proportional to 3,889,178.16, 5,367,066 and 2,146,848 is: 2,962,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,178.16 : 5,367,066 = 2,146,848 : x
  2. Step 2: Convert to fraction form
    3,889,178.16/5,367,066 = 2,146,848/x
  3. Step 3: Cross multiply
    3,889,178.16x = 5,367,066 × 2,146,848
  4. Step 4: Simplify right side
    3,889,178.16x = 11,522,274,907,968
  5. Step 5: Solve for x
    x = 11,522,274,907,968/3,889,178.16
  6. Step 6: Final answer
    x = 2,962,650.32

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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.