Home / 2,926,395.72-4,039,806.78-2,201,520.06

Finding the Fourth Proportional to 2,926,395.72, 4,039,806.78 and 2,201,520.06

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Solution

The fourth proportional to 2,926,395.72, 4,039,806.78 and 2,201,520.06 is: 3,039,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,395.72 : 4,039,806.78 = 2,201,520.06 : x
  2. Step 2: Convert to fraction form
    2,926,395.72/4,039,806.78 = 2,201,520.06/x
  3. Step 3: Cross multiply
    2,926,395.72x = 4,039,806.78 × 2,201,520.06
  4. Step 4: Simplify right side
    2,926,395.72x = 8,893,715,664,694.01
  5. Step 5: Solve for x
    x = 8,893,715,664,694.01/2,926,395.72
  6. Step 6: Final answer
    x = 3,039,136.37

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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.