Finding the Fourth Proportional to 2,405,835.14, 3,320,052.42 and 1,318,147.91
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Solution
The fourth proportional to 2,405,835.14, 3,320,052.42 and 1,318,147.91 is: 1,819,044.08
Step by Step Solution
- Step 1: Write the proportion equation
2,405,835.14 : 3,320,052.42 = 1,318,147.91 : x - Step 2: Convert to fraction form
2,405,835.14/3,320,052.42 = 1,318,147.91/x - Step 3: Cross multiply
2,405,835.14x = 3,320,052.42 × 1,318,147.91 - Step 4: Simplify right side
2,405,835.14x = 4,376,320,158,513.44 - Step 5: Solve for x
x = 4,376,320,158,513.44/2,405,835.14 - Step 6: Final answer
x = 1,819,044.08
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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.