Home / 3,189,149.60-4,783,724.40-2,061,111.20

Finding the Fourth Proportional to 3,189,149.60, 4,783,724.40 and 2,061,111.20

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Solution

The fourth proportional to 3,189,149.60, 4,783,724.40 and 2,061,111.20 is: 3,091,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,149.60 : 4,783,724.40 = 2,061,111.20 : x
  2. Step 2: Convert to fraction form
    3,189,149.60/4,783,724.40 = 2,061,111.20/x
  3. Step 3: Cross multiply
    3,189,149.60x = 4,783,724.40 × 2,061,111.20
  4. Step 4: Simplify right side
    3,189,149.60x = 9,859,787,938,553.28
  5. Step 5: Solve for x
    x = 9,859,787,938,553.28/3,189,149.60
  6. Step 6: Final answer
    x = 3,091,666.80

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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.