Finding the Fourth Proportional to 4,038,188.62, 5,572,717.75 and 2,202,686.37
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Solution
The fourth proportional to 4,038,188.62, 5,572,717.75 and 2,202,686.37 is: 3,039,716.71
Step by Step Solution
- Step 1: Write the proportion equation
4,038,188.62 : 5,572,717.75 = 2,202,686.37 : x - Step 2: Convert to fraction form
4,038,188.62/5,572,717.75 = 2,202,686.37/x - Step 3: Cross multiply
4,038,188.62x = 5,572,717.75 × 2,202,686.37 - Step 4: Simplify right side
4,038,188.62x = 12,274,949,431,782.07 - Step 5: Solve for x
x = 12,274,949,431,782.07/4,038,188.62 - Step 6: Final answer
x = 3,039,716.71
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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.