Finding the Fourth Proportional to 3,907,456.67, 5,394,923.39 and 2,439,602.42
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Solution
The fourth proportional to 3,907,456.67, 5,394,923.39 and 2,439,602.42 is: 3,368,295.35
Step by Step Solution
- Step 1: Write the proportion equation
3,907,456.67 : 5,394,923.39 = 2,439,602.42 : x - Step 2: Convert to fraction form
3,907,456.67/5,394,923.39 = 2,439,602.42/x - Step 3: Cross multiply
3,907,456.67x = 5,394,923.39 × 2,439,602.42 - Step 4: Simplify right side
3,907,456.67x = 13,161,468,137,082.99 - Step 5: Solve for x
x = 13,161,468,137,082.99/3,907,456.67 - Step 6: Final answer
x = 3,368,295.35
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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.