Home / 2,166,519.64-2,989,760.60-1,199,629.18

Finding the Fourth Proportional to 2,166,519.64, 2,989,760.60 and 1,199,629.18

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Solution

The fourth proportional to 2,166,519.64, 2,989,760.60 and 1,199,629.18 is: 1,655,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,519.64 : 2,989,760.60 = 1,199,629.18 : x
  2. Step 2: Convert to fraction form
    2,166,519.64/2,989,760.60 = 1,199,629.18/x
  3. Step 3: Cross multiply
    2,166,519.64x = 2,989,760.60 × 1,199,629.18
  4. Step 4: Simplify right side
    2,166,519.64x = 3,586,604,039,026.43
  5. Step 5: Solve for x
    x = 3,586,604,039,026.43/2,166,519.64
  6. Step 6: Final answer
    x = 1,655,468.05

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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.