Finding the Fourth Proportional to 6,659,631.62, 9,190,291.66 and 3,603,845.88
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Solution
The fourth proportional to 6,659,631.62, 9,190,291.66 and 3,603,845.88 is: 4,973,307.33
Step by Step Solution
- Step 1: Write the proportion equation
6,659,631.62 : 9,190,291.66 = 3,603,845.88 : x - Step 2: Convert to fraction form
6,659,631.62/9,190,291.66 = 3,603,845.88/x - Step 3: Cross multiply
6,659,631.62x = 9,190,291.66 × 3,603,845.88 - Step 4: Simplify right side
6,659,631.62x = 33,120,394,734,889.36 - Step 5: Solve for x
x = 33,120,394,734,889.36/6,659,631.62 - Step 6: Final answer
x = 4,973,307.33
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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.