Finding the Fourth Proportional to 3,153,278.46, 4,351,523.18 and 1,702,974.20
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Solution
The fourth proportional to 3,153,278.46, 4,351,523.18 and 1,702,974.20 is: 2,350,103.80
Step by Step Solution
- Step 1: Write the proportion equation
3,153,278.46 : 4,351,523.18 = 1,702,974.20 : x - Step 2: Convert to fraction form
3,153,278.46/4,351,523.18 = 1,702,974.20/x - Step 3: Cross multiply
3,153,278.46x = 4,351,523.18 × 1,702,974.20 - Step 4: Simplify right side
3,153,278.46x = 7,410,531,706,241.96 - Step 5: Solve for x
x = 7,410,531,706,241.96/3,153,278.46 - Step 6: Final answer
x = 2,350,103.80
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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.