Finding the Fourth Proportional to 8,294,612, 12,441,918 and 1,990,868
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Solution
The fourth proportional to 8,294,612, 12,441,918 and 1,990,868 is: 2,986,302
Step by Step Solution
- Step 1: Write the proportion equation
8,294,612 : 12,441,918 = 1,990,868 : x - Step 2: Convert to fraction form
8,294,612/12,441,918 = 1,990,868/x - Step 3: Cross multiply
8,294,612x = 12,441,918 × 1,990,868 - Step 4: Simplify right side
8,294,612x = 24,770,216,404,824 - Step 5: Solve for x
x = 24,770,216,404,824/8,294,612 - Step 6: Final answer
x = 2,986,302
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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.