Finding the Fourth Proportional to 3,120,453.60, 4,675,431.60 and 2,669,056.80
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Solution
The fourth proportional to 3,120,453.60, 4,675,431.60 and 2,669,056.80 is: 3,999,095.68
Step by Step Solution
- Step 1: Write the proportion equation
3,120,453.60 : 4,675,431.60 = 2,669,056.80 : x - Step 2: Convert to fraction form
3,120,453.60/4,675,431.60 = 2,669,056.80/x - Step 3: Cross multiply
3,120,453.60x = 4,675,431.60 × 2,669,056.80 - Step 4: Simplify right side
3,120,453.60x = 12,478,992,504,914.88 - Step 5: Solve for x
x = 12,478,992,504,914.88/3,120,453.60 - Step 6: Final answer
x = 3,999,095.68
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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.