Finding the Fourth Proportional to 5,437,825.09, 7,504,391.21 and 2,990,625.55
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Solution
The fourth proportional to 5,437,825.09, 7,504,391.21 and 2,990,625.55 is: 4,127,169.17
Step by Step Solution
- Step 1: Write the proportion equation
5,437,825.09 : 7,504,391.21 = 2,990,625.55 : x - Step 2: Convert to fraction form
5,437,825.09/7,504,391.21 = 2,990,625.55/x - Step 3: Cross multiply
5,437,825.09x = 7,504,391.21 × 2,990,625.55 - Step 4: Simplify right side
5,437,825.09x = 22,442,824,089,821.41 - Step 5: Solve for x
x = 22,442,824,089,821.41/5,437,825.09 - Step 6: Final answer
x = 4,127,169.17
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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.