Home / 2,812,058.20-4,218,087.30-2,564,052.40

Finding the Fourth Proportional to 2,812,058.20, 4,218,087.30 and 2,564,052.40

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Solution

The fourth proportional to 2,812,058.20, 4,218,087.30 and 2,564,052.40 is: 3,846,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,058.20 : 4,218,087.30 = 2,564,052.40 : x
  2. Step 2: Convert to fraction form
    2,812,058.20/4,218,087.30 = 2,564,052.40/x
  3. Step 3: Cross multiply
    2,812,058.20x = 4,218,087.30 × 2,564,052.40
  4. Step 4: Simplify right side
    2,812,058.20x = 10,815,396,864,974.52
  5. Step 5: Solve for x
    x = 10,815,396,864,974.52/2,812,058.20
  6. Step 6: Final answer
    x = 3,846,078.60

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Double scale
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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.