Finding the Fourth Proportional to 2,405,841.08, 3,320,060.60 and 1,318,153.91
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Solution
The fourth proportional to 2,405,841.08, 3,320,060.60 and 1,318,153.91 is: 1,819,052.34
Step by Step Solution
- Step 1: Write the proportion equation
2,405,841.08 : 3,320,060.60 = 1,318,153.91 : x - Step 2: Convert to fraction form
2,405,841.08/3,320,060.60 = 1,318,153.91/x - Step 3: Cross multiply
2,405,841.08x = 3,320,060.60 × 1,318,153.91 - Step 4: Simplify right side
2,405,841.08x = 4,376,350,854,736.18 - Step 5: Solve for x
x = 4,376,350,854,736.18/2,405,841.08 - Step 6: Final answer
x = 1,819,052.34
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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.