Finding the Fourth Proportional to 2,114,168.96, 2,917,555.07 and 1,147,299.25
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Solution
The fourth proportional to 2,114,168.96, 2,917,555.07 and 1,147,299.25 is: 1,583,273.99
Step by Step Solution
- Step 1: Write the proportion equation
2,114,168.96 : 2,917,555.07 = 1,147,299.25 : x - Step 2: Convert to fraction form
2,114,168.96/2,917,555.07 = 1,147,299.25/x - Step 3: Cross multiply
2,114,168.96x = 2,917,555.07 × 1,147,299.25 - Step 4: Simplify right side
2,114,168.96x = 3,347,308,727,879.11 - Step 5: Solve for x
x = 3,347,308,727,879.11/2,114,168.96 - Step 6: Final answer
x = 1,583,273.99
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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.