Finding the Fourth Proportional to 2,486,604.21, 3,729,893.79 and 2,148,616.44
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Solution
The fourth proportional to 2,486,604.21, 3,729,893.79 and 2,148,616.44 is: 3,222,913.84
Step by Step Solution
- Step 1: Write the proportion equation
2,486,604.21 : 3,729,893.79 = 2,148,616.44 : x - Step 2: Convert to fraction form
2,486,604.21/3,729,893.79 = 2,148,616.44/x - Step 3: Cross multiply
2,486,604.21x = 3,729,893.79 × 2,148,616.44 - Step 4: Simplify right side
2,486,604.21x = 8,014,111,116,647.91 - Step 5: Solve for x
x = 8,014,111,116,647.91/2,486,604.21 - Step 6: Final answer
x = 3,222,913.84
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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.