Home / 2,619,346.22-3,929,020.42-1,178,346.49

Finding the Fourth Proportional to 2,619,346.22, 3,929,020.42 and 1,178,346.49

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Solution

The fourth proportional to 2,619,346.22, 3,929,020.42 and 1,178,346.49 is: 1,767,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,346.22 : 3,929,020.42 = 1,178,346.49 : x
  2. Step 2: Convert to fraction form
    2,619,346.22/3,929,020.42 = 1,178,346.49/x
  3. Step 3: Cross multiply
    2,619,346.22x = 3,929,020.42 × 1,178,346.49
  4. Step 4: Simplify right side
    2,619,346.22x = 4,629,747,421,045.33
  5. Step 5: Solve for x
    x = 4,629,747,421,045.33/2,619,346.22
  6. Step 6: Final answer
    x = 1,767,520.23

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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.