Finding the Fourth Proportional to 2,539,376.31, 3,504,329.69 and 1,393,475.79
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Solution
The fourth proportional to 2,539,376.31, 3,504,329.69 and 1,393,475.79 is: 1,922,991.31
Step by Step Solution
- Step 1: Write the proportion equation
2,539,376.31 : 3,504,329.69 = 1,393,475.79 : x - Step 2: Convert to fraction form
2,539,376.31/3,504,329.69 = 1,393,475.79/x - Step 3: Cross multiply
2,539,376.31x = 3,504,329.69 × 1,393,475.79 - Step 4: Simplify right side
2,539,376.31x = 4,883,198,576,225.83 - Step 5: Solve for x
x = 4,883,198,576,225.83/2,539,376.31 - Step 6: Final answer
x = 1,922,991.31
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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.