Home / 4,939,905.69-7,408,821.74-1,393,220.25

Finding the Fourth Proportional to 4,939,905.69, 7,408,821.74 and 1,393,220.25

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Solution

The fourth proportional to 4,939,905.69, 7,408,821.74 and 1,393,220.25 is: 2,089,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939,905.69 : 7,408,821.74 = 1,393,220.25 : x
  2. Step 2: Convert to fraction form
    4,939,905.69/7,408,821.74 = 1,393,220.25/x
  3. Step 3: Cross multiply
    4,939,905.69x = 7,408,821.74 × 1,393,220.25
  4. Step 4: Simplify right side
    4,939,905.69x = 10,322,120,469,842.13
  5. Step 5: Solve for x
    x = 10,322,120,469,842.13/4,939,905.69
  6. Step 6: Final answer
    x = 2,089,537.96

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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.