Finding the Fourth Proportional to 5,681,981.72, 8,524,231.98 and 1,638,153.96
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Solution
The fourth proportional to 5,681,981.72, 8,524,231.98 and 1,638,153.96 is: 2,457,594.02
Step by Step Solution
- Step 1: Write the proportion equation
5,681,981.72 : 8,524,231.98 = 1,638,153.96 : x - Step 2: Convert to fraction form
5,681,981.72/8,524,231.98 = 1,638,153.96/x - Step 3: Cross multiply
5,681,981.72x = 8,524,231.98 × 1,638,153.96 - Step 4: Simplify right side
5,681,981.72x = 13,964,004,323,183.71 - Step 5: Solve for x
x = 13,964,004,323,183.71/5,681,981.72 - Step 6: Final answer
x = 2,457,594.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.