Finding the Fourth Proportional to 1,406,836.11, 1,941,431.16 and 762,273.75
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Solution
The fourth proportional to 1,406,836.11, 1,941,431.16 and 762,273.75 is: 1,051,936.33
Step by Step Solution
- Step 1: Write the proportion equation
1,406,836.11 : 1,941,431.16 = 762,273.75 : x - Step 2: Convert to fraction form
1,406,836.11/1,941,431.16 = 762,273.75/x - Step 3: Cross multiply
1,406,836.11x = 1,941,431.16 × 762,273.75 - Step 4: Simplify right side
1,406,836.11x = 1,479,902,010,700.05 - Step 5: Solve for x
x = 1,479,902,010,700.05/1,406,836.11 - Step 6: Final answer
x = 1,051,936.33
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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.