Finding the Fourth Proportional to 5,449,492.80, 8,158,492.80 and 5,292,028.80
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Solution
The fourth proportional to 5,449,492.80, 8,158,492.80 and 5,292,028.80 is: 7,922,751.79
Step by Step Solution
- Step 1: Write the proportion equation
5,449,492.80 : 8,158,492.80 = 5,292,028.80 : x - Step 2: Convert to fraction form
5,449,492.80/8,158,492.80 = 5,292,028.80/x - Step 3: Cross multiply
5,449,492.80x = 8,158,492.80 × 5,292,028.80 - Step 4: Simplify right side
5,449,492.80x = 43,174,978,862,192.64 - Step 5: Solve for x
x = 43,174,978,862,192.64/5,449,492.80 - Step 6: Final answer
x = 7,922,751.79
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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.