Finding the Fourth Proportional to 2,168,990.40, 2,993,207.04 and 1,202,183.04
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Solution
The fourth proportional to 2,168,990.40, 2,993,207.04 and 1,202,183.04 is: 1,659,012.75
Step by Step Solution
- Step 1: Write the proportion equation
2,168,990.40 : 2,993,207.04 = 1,202,183.04 : x - Step 2: Convert to fraction form
2,168,990.40/2,993,207.04 = 1,202,183.04/x - Step 3: Cross multiply
2,168,990.40x = 2,993,207.04 × 1,202,183.04 - Step 4: Simplify right side
2,168,990.40x = 3,598,382,738,696.60 - Step 5: Solve for x
x = 3,598,382,738,696.60/2,168,990.40 - Step 6: Final answer
x = 1,659,012.75
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1.5x scale
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.