Finding the Fourth Proportional to 5,090,236.20, 7,634,957.40 and 2,958,960.96
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Solution
The fourth proportional to 5,090,236.20, 7,634,957.40 and 2,958,960.96 is: 4,438,210.72
Step by Step Solution
- Step 1: Write the proportion equation
5,090,236.20 : 7,634,957.40 = 2,958,960.96 : x - Step 2: Convert to fraction form
5,090,236.20/7,634,957.40 = 2,958,960.96/x - Step 3: Cross multiply
5,090,236.20x = 7,634,957.40 × 2,958,960.96 - Step 4: Simplify right side
5,090,236.20x = 22,591,540,877,863.11 - Step 5: Solve for x
x = 22,591,540,877,863.11/5,090,236.20 - Step 6: Final answer
x = 4,438,210.72
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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.