Finding the Fourth Proportional to 3,389,269.94, 4,677,173.63 and 1,840,516.73
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Solution
The fourth proportional to 3,389,269.94, 4,677,173.63 and 1,840,516.73 is: 2,539,902.83
Step by Step Solution
- Step 1: Write the proportion equation
3,389,269.94 : 4,677,173.63 = 1,840,516.73 : x - Step 2: Convert to fraction form
3,389,269.94/4,677,173.63 = 1,840,516.73/x - Step 3: Cross multiply
3,389,269.94x = 4,677,173.63 × 1,840,516.73 - Step 4: Simplify right side
3,389,269.94x = 8,608,416,317,335.62 - Step 5: Solve for x
x = 8,608,416,317,335.62/3,389,269.94 - Step 6: Final answer
x = 2,539,902.83
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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.