Home / 3,368,018.28-4,647,932.10-1,840,220.20

Finding the Fourth Proportional to 3,368,018.28, 4,647,932.10 and 1,840,220.20

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Solution

The fourth proportional to 3,368,018.28, 4,647,932.10 and 1,840,220.20 is: 2,539,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368,018.28 : 4,647,932.10 = 1,840,220.20 : x
  2. Step 2: Convert to fraction form
    3,368,018.28/4,647,932.10 = 1,840,220.20/x
  3. Step 3: Cross multiply
    3,368,018.28x = 4,647,932.10 × 1,840,220.20
  4. Step 4: Simplify right side
    3,368,018.28x = 8,553,218,538,648.42
  5. Step 5: Solve for x
    x = 8,553,218,538,648.42/3,368,018.28
  6. Step 6: Final answer
    x = 2,539,540.41

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Double scale
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1.5x scale

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.