Finding the Fourth Proportional to 2,183,144.55, 3,259,366.62 and 1,668,114.24
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Solution
The fourth proportional to 2,183,144.55, 3,259,366.62 and 1,668,114.24 is: 2,490,442.45
Step by Step Solution
- Step 1: Write the proportion equation
2,183,144.55 : 3,259,366.62 = 1,668,114.24 : x - Step 2: Convert to fraction form
2,183,144.55/3,259,366.62 = 1,668,114.24/x - Step 3: Cross multiply
2,183,144.55x = 3,259,366.62 × 1,668,114.24 - Step 4: Simplify right side
2,183,144.55x = 5,436,995,872,202.67 - Step 5: Solve for x
x = 5,436,995,872,202.67/2,183,144.55 - Step 6: Final answer
x = 2,490,442.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.