Finding the Fourth Proportional to 3,278,640.84, 4,524,544.10 and 1,828,427.96
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Solution
The fourth proportional to 3,278,640.84, 4,524,544.10 and 1,828,427.96 is: 2,523,241.59
Step by Step Solution
- Step 1: Write the proportion equation
3,278,640.84 : 4,524,544.10 = 1,828,427.96 : x - Step 2: Convert to fraction form
3,278,640.84/4,524,544.10 = 1,828,427.96/x - Step 3: Cross multiply
3,278,640.84x = 4,524,544.10 × 1,828,427.96 - Step 4: Simplify right side
3,278,640.84x = 8,272,802,938,693.04 - Step 5: Solve for x
x = 8,272,802,938,693.04/3,278,640.84 - Step 6: Final answer
x = 2,523,241.59
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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.