Home / 1,930,786.72-2,664,504.04-1,071,426.94

Finding the Fourth Proportional to 1,930,786.72, 2,664,504.04 and 1,071,426.94

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Solution

The fourth proportional to 1,930,786.72, 2,664,504.04 and 1,071,426.94 is: 1,478,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,786.72 : 2,664,504.04 = 1,071,426.94 : x
  2. Step 2: Convert to fraction form
    1,930,786.72/2,664,504.04 = 1,071,426.94/x
  3. Step 3: Cross multiply
    1,930,786.72x = 2,664,504.04 × 1,071,426.94
  4. Step 4: Simplify right side
    1,930,786.72x = 2,854,821,410,194.84
  5. Step 5: Solve for x
    x = 2,854,821,410,194.84/1,930,786.72
  6. Step 6: Final answer
    x = 1,478,579.37

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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.