Finding the Fourth Proportional to 1,474,316.05, 2,035,183.84 and 991,161.38
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Solution
The fourth proportional to 1,474,316.05, 2,035,183.84 and 991,161.38 is: 1,368,224.69
Step by Step Solution
- Step 1: Write the proportion equation
1,474,316.05 : 2,035,183.84 = 991,161.38 : x - Step 2: Convert to fraction form
1,474,316.05/2,035,183.84 = 991,161.38/x - Step 3: Cross multiply
1,474,316.05x = 2,035,183.84 × 991,161.38 - Step 4: Simplify right side
1,474,316.05x = 2,017,195,610,754.28 - Step 5: Solve for x
x = 2,017,195,610,754.28/1,474,316.05 - Step 6: Final answer
x = 1,368,224.69
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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.