Finding the Fourth Proportional to 3,212,241.84, 4,811,938.52 and 1,932,142.68
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Solution
The fourth proportional to 3,212,241.84, 4,811,938.52 and 1,932,142.68 is: 2,894,349.88
Step by Step Solution
- Step 1: Write the proportion equation
3,212,241.84 : 4,811,938.52 = 1,932,142.68 : x - Step 2: Convert to fraction form
3,212,241.84/4,811,938.52 = 1,932,142.68/x - Step 3: Cross multiply
3,212,241.84x = 4,811,938.52 × 1,932,142.68 - Step 4: Simplify right side
3,212,241.84x = 9,297,351,778,367.32 - Step 5: Solve for x
x = 9,297,351,778,367.32/3,212,241.84 - Step 6: Final answer
x = 2,894,349.88
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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.