Finding the Fourth Proportional to 3,836,554.36, 5,294,415.82 and 2,117,674.68
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Solution
The fourth proportional to 3,836,554.36, 5,294,415.82 and 2,117,674.68 is: 2,922,374.94
Step by Step Solution
- Step 1: Write the proportion equation
3,836,554.36 : 5,294,415.82 = 2,117,674.68 : x - Step 2: Convert to fraction form
3,836,554.36/5,294,415.82 = 2,117,674.68/x - Step 3: Cross multiply
3,836,554.36x = 5,294,415.82 × 2,117,674.68 - Step 4: Simplify right side
3,836,554.36x = 11,211,850,327,405.44 - Step 5: Solve for x
x = 11,211,850,327,405.44/3,836,554.36 - Step 6: Final answer
x = 2,922,374.94
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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.