Finding the Fourth Proportional to 5,681,981.35, 8,524,231.41 and 1,638,153.58
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Solution
The fourth proportional to 5,681,981.35, 8,524,231.41 and 1,638,153.58 is: 2,457,593.46
Step by Step Solution
- Step 1: Write the proportion equation
5,681,981.35 : 8,524,231.41 = 1,638,153.58 : x - Step 2: Convert to fraction form
5,681,981.35/8,524,231.41 = 1,638,153.58/x - Step 3: Cross multiply
5,681,981.35x = 8,524,231.41 × 1,638,153.58 - Step 4: Simplify right side
5,681,981.35x = 13,964,000,201,039.95 - Step 5: Solve for x
x = 13,964,000,201,039.95/5,681,981.35 - Step 6: Final answer
x = 2,457,593.46
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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.