Home / 3,071,491.21-4,238,652.81-1,694,833.84

Finding the Fourth Proportional to 3,071,491.21, 4,238,652.81 and 1,694,833.84

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Solution

The fourth proportional to 3,071,491.21, 4,238,652.81 and 1,694,833.84 is: 2,338,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,491.21 : 4,238,652.81 = 1,694,833.84 : x
  2. Step 2: Convert to fraction form
    3,071,491.21/4,238,652.81 = 1,694,833.84/x
  3. Step 3: Cross multiply
    3,071,491.21x = 4,238,652.81 × 1,694,833.84
  4. Step 4: Simplify right side
    3,071,491.21x = 7,183,812,218,399.09
  5. Step 5: Solve for x
    x = 7,183,812,218,399.09/3,071,491.21
  6. Step 6: Final answer
    x = 2,338,867.91

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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.