Finding the Fourth Proportional to 3,847,794.60, 5,767,884.90 and 1,822,478.70
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Solution
The fourth proportional to 3,847,794.60, 5,767,884.90 and 1,822,478.70 is: 2,731,914.89
Step by Step Solution
- Step 1: Write the proportion equation
3,847,794.60 : 5,767,884.90 = 1,822,478.70 : x - Step 2: Convert to fraction form
3,847,794.60/5,767,884.90 = 1,822,478.70/x - Step 3: Cross multiply
3,847,794.60x = 5,767,884.90 × 1,822,478.70 - Step 4: Simplify right side
3,847,794.60x = 10,511,847,374,301.63 - Step 5: Solve for x
x = 10,511,847,374,301.63/3,847,794.60 - Step 6: Final answer
x = 2,731,914.89
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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.