Home / 2,185,504.30-3,278,256.45-2,143,513.90

Finding the Fourth Proportional to 2,185,504.30, 3,278,256.45 and 2,143,513.90

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Solution

The fourth proportional to 2,185,504.30, 3,278,256.45 and 2,143,513.90 is: 3,215,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,504.30 : 3,278,256.45 = 2,143,513.90 : x
  2. Step 2: Convert to fraction form
    2,185,504.30/3,278,256.45 = 2,143,513.90/x
  3. Step 3: Cross multiply
    2,185,504.30x = 3,278,256.45 × 2,143,513.90
  4. Step 4: Simplify right side
    2,185,504.30x = 7,026,988,268,339.66
  5. Step 5: Solve for x
    x = 7,026,988,268,339.66/2,185,504.30
  6. Step 6: Final answer
    x = 3,215,270.85

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Similar ratio
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1.5x scale

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.