Finding the Fourth Proportional to 1,791,986.97, 2,472,940.93 and 987,170.97
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Solution
The fourth proportional to 1,791,986.97, 2,472,940.93 and 987,170.97 is: 1,362,295.34
Step by Step Solution
- Step 1: Write the proportion equation
1,791,986.97 : 2,472,940.93 = 987,170.97 : x - Step 2: Convert to fraction form
1,791,986.97/2,472,940.93 = 987,170.97/x - Step 3: Cross multiply
1,791,986.97x = 2,472,940.93 × 987,170.97 - Step 4: Simplify right side
1,791,986.97x = 2,441,215,496,620.80 - Step 5: Solve for x
x = 2,441,215,496,620.80/1,791,986.97 - Step 6: Final answer
x = 1,362,295.34
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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.