Finding the Fourth Proportional to 1,197,968.22, 1,654,944.99 and 1,036,543.02
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Solution
The fourth proportional to 1,197,968.22, 1,654,944.99 and 1,036,543.02 is: 1,431,942.56
Step by Step Solution
- Step 1: Write the proportion equation
1,197,968.22 : 1,654,944.99 = 1,036,543.02 : x - Step 2: Convert to fraction form
1,197,968.22/1,654,944.99 = 1,036,543.02/x - Step 3: Cross multiply
1,197,968.22x = 1,654,944.99 × 1,036,543.02 - Step 4: Simplify right side
1,197,968.22x = 1,715,421,677,868.47 - Step 5: Solve for x
x = 1,715,421,677,868.47/1,197,968.22 - Step 6: Final answer
x = 1,431,942.56
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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.