Finding the Fourth Proportional to 1,791,986.46, 2,472,940.26 and 987,170.46
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Solution
The fourth proportional to 1,791,986.46, 2,472,940.26 and 987,170.46 is: 1,362,294.65
Step by Step Solution
- Step 1: Write the proportion equation
1,791,986.46 : 2,472,940.26 = 987,170.46 : x - Step 2: Convert to fraction form
1,791,986.46/2,472,940.26 = 987,170.46/x - Step 3: Cross multiply
1,791,986.46x = 2,472,940.26 × 987,170.46 - Step 4: Simplify right side
1,791,986.46x = 2,441,213,574,016.72 - Step 5: Solve for x
x = 2,441,213,574,016.72/1,791,986.46 - Step 6: Final answer
x = 1,362,294.65
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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.