Finding the Fourth Proportional to 1,511,075.49, 2,085,214.39 and 822,745.18
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Solution
The fourth proportional to 1,511,075.49, 2,085,214.39 and 822,745.18 is: 1,135,350.35
Step by Step Solution
- Step 1: Write the proportion equation
1,511,075.49 : 2,085,214.39 = 822,745.18 : x - Step 2: Convert to fraction form
1,511,075.49/2,085,214.39 = 822,745.18/x - Step 3: Cross multiply
1,511,075.49x = 2,085,214.39 × 822,745.18 - Step 4: Simplify right side
1,511,075.49x = 1,715,600,089,188.80 - Step 5: Solve for x
x = 1,715,600,089,188.80/1,511,075.49 - Step 6: Final answer
x = 1,135,350.35
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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.