Home / 4,765,380.57-6,577,181.64-2,831,268.78

Finding the Fourth Proportional to 4,765,380.57, 6,577,181.64 and 2,831,268.78

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Solution

The fourth proportional to 4,765,380.57, 6,577,181.64 and 2,831,268.78 is: 3,907,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765,380.57 : 6,577,181.64 = 2,831,268.78 : x
  2. Step 2: Convert to fraction form
    4,765,380.57/6,577,181.64 = 2,831,268.78/x
  3. Step 3: Cross multiply
    4,765,380.57x = 6,577,181.64 × 2,831,268.78
  4. Step 4: Simplify right side
    4,765,380.57x = 18,621,769,037,721.20
  5. Step 5: Solve for x
    x = 18,621,769,037,721.20/4,765,380.57
  6. Step 6: Final answer
    x = 3,907,719.18

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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.