Finding the Fourth Proportional to 7,085,699.67, 10,622,220.12 and 2,766,745.05
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Solution
The fourth proportional to 7,085,699.67, 10,622,220.12 and 2,766,745.05 is: 4,147,646.14
Step by Step Solution
- Step 1: Write the proportion equation
7,085,699.67 : 10,622,220.12 = 2,766,745.05 : x - Step 2: Convert to fraction form
7,085,699.67/10,622,220.12 = 2,766,745.05/x - Step 3: Cross multiply
7,085,699.67x = 10,622,220.12 × 2,766,745.05 - Step 4: Simplify right side
7,085,699.67x = 29,388,974,897,187.08 - Step 5: Solve for x
x = 29,388,974,897,187.08/7,085,699.67 - Step 6: Final answer
x = 4,147,646.14
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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.