Finding the Fourth Proportional to 1,998,197.38, 2,757,577.99 and 1,092,779.38
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Solution
The fourth proportional to 1,998,197.38, 2,757,577.99 and 1,092,779.38 is: 1,508,071.42
Step by Step Solution
- Step 1: Write the proportion equation
1,998,197.38 : 2,757,577.99 = 1,092,779.38 : x - Step 2: Convert to fraction form
1,998,197.38/2,757,577.99 = 1,092,779.38/x - Step 3: Cross multiply
1,998,197.38x = 2,757,577.99 × 1,092,779.38 - Step 4: Simplify right side
1,998,197.38x = 3,013,424,366,213.85 - Step 5: Solve for x
x = 3,013,424,366,213.85/1,998,197.38 - Step 6: Final answer
x = 1,508,071.42
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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.