Finding the Fourth Proportional to 5,408,958.45, 7,464,131.60 and 2,961,525.09
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Solution
The fourth proportional to 5,408,958.45, 7,464,131.60 and 2,961,525.09 is: 4,086,778.11
Step by Step Solution
- Step 1: Write the proportion equation
5,408,958.45 : 7,464,131.60 = 2,961,525.09 : x - Step 2: Convert to fraction form
5,408,958.45/7,464,131.60 = 2,961,525.09/x - Step 3: Cross multiply
5,408,958.45x = 7,464,131.60 × 2,961,525.09 - Step 4: Simplify right side
5,408,958.45x = 22,105,212,993,654.21 - Step 5: Solve for x
x = 22,105,212,993,654.21/5,408,958.45 - Step 6: Final answer
x = 4,086,778.11
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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.