Finding the Fourth Proportional to 1,371,950.81, 1,893,241.86 and 791,198.43
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Solution
The fourth proportional to 1,371,950.81, 1,893,241.86 and 791,198.43 is: 1,091,824.85
Step by Step Solution
- Step 1: Write the proportion equation
1,371,950.81 : 1,893,241.86 = 791,198.43 : x - Step 2: Convert to fraction form
1,371,950.81/1,893,241.86 = 791,198.43/x - Step 3: Cross multiply
1,371,950.81x = 1,893,241.86 × 791,198.43 - Step 4: Simplify right side
1,371,950.81x = 1,497,929,987,825.11 - Step 5: Solve for x
x = 1,497,929,987,825.11/1,371,950.81 - Step 6: Final answer
x = 1,091,824.85
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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.