Finding the Fourth Proportional to 4,424,059.05, 6,629,328.44 and 2,979,400.69
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Solution
The fourth proportional to 4,424,059.05, 6,629,328.44 and 2,979,400.69 is: 4,464,548.39
Step by Step Solution
- Step 1: Write the proportion equation
4,424,059.05 : 6,629,328.44 = 2,979,400.69 : x - Step 2: Convert to fraction form
4,424,059.05/6,629,328.44 = 2,979,400.69/x - Step 3: Cross multiply
4,424,059.05x = 6,629,328.44 × 2,979,400.69 - Step 4: Simplify right side
4,424,059.05x = 19,751,425,728,372.62 - Step 5: Solve for x
x = 19,751,425,728,372.62/4,424,059.05 - Step 6: Final answer
x = 4,464,548.39
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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.