Home / 3,999,763.07-5,519,657.78-2,164,224.91

Finding the Fourth Proportional to 3,999,763.07, 5,519,657.78 and 2,164,224.91

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Solution

The fourth proportional to 3,999,763.07, 5,519,657.78 and 2,164,224.91 is: 2,986,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,763.07 : 5,519,657.78 = 2,164,224.91 : x
  2. Step 2: Convert to fraction form
    3,999,763.07/5,519,657.78 = 2,164,224.91/x
  3. Step 3: Cross multiply
    3,999,763.07x = 5,519,657.78 × 2,164,224.91
  4. Step 4: Simplify right side
    3,999,763.07x = 11,945,780,823,731.89
  5. Step 5: Solve for x
    x = 11,945,780,823,731.89/3,999,763.07
  6. Step 6: Final answer
    x = 2,986,622.11

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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.