Home / 3,238,140.20-4,857,210.30-993,986.60

Finding the Fourth Proportional to 3,238,140.20, 4,857,210.30 and 993,986.60

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Solution

The fourth proportional to 3,238,140.20, 4,857,210.30 and 993,986.60 is: 1,490,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,140.20 : 4,857,210.30 = 993,986.60 : x
  2. Step 2: Convert to fraction form
    3,238,140.20/4,857,210.30 = 993,986.60/x
  3. Step 3: Cross multiply
    3,238,140.20x = 4,857,210.30 × 993,986.60
  4. Step 4: Simplify right side
    3,238,140.20x = 4,828,001,951,581.98
  5. Step 5: Solve for x
    x = 4,828,001,951,581.98/3,238,140.20
  6. Step 6: Final answer
    x = 1,490,979.90

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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.