Finding the Fourth Proportional to 7,625,942.42, 11,438,903.97 and 1,946,166.86
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Solution
The fourth proportional to 7,625,942.42, 11,438,903.97 and 1,946,166.86 is: 2,919,247.82
Step by Step Solution
- Step 1: Write the proportion equation
7,625,942.42 : 11,438,903.97 = 1,946,166.86 : x - Step 2: Convert to fraction form
7,625,942.42/11,438,903.97 = 1,946,166.86/x - Step 3: Cross multiply
7,625,942.42x = 11,438,903.97 × 1,946,166.86 - Step 4: Simplify right side
7,625,942.42x = 22,262,015,821,136.44 - Step 5: Solve for x
x = 22,262,015,821,136.44/7,625,942.42 - Step 6: Final answer
x = 2,919,247.82
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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.