Home / 2,861,533.56-3,949,136-1,638,222.74

Finding the Fourth Proportional to 2,861,533.56, 3,949,136 and 1,638,222.74

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Solution

The fourth proportional to 2,861,533.56, 3,949,136 and 1,638,222.74 is: 2,260,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,533.56 : 3,949,136 = 1,638,222.74 : x
  2. Step 2: Convert to fraction form
    2,861,533.56/3,949,136 = 1,638,222.74/x
  3. Step 3: Cross multiply
    2,861,533.56x = 3,949,136 × 1,638,222.74
  4. Step 4: Simplify right side
    2,861,533.56x = 6,469,564,398,552.64
  5. Step 5: Solve for x
    x = 6,469,564,398,552.64/2,861,533.56
  6. Step 6: Final answer
    x = 2,260,873.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.