Finding the Fourth Proportional to 5,415,954.61, 7,474,782.71 and 3,351,634.71
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Solution
The fourth proportional to 5,415,954.61, 7,474,782.71 and 3,351,634.71 is: 4,625,729.53
Step by Step Solution
- Step 1: Write the proportion equation
5,415,954.61 : 7,474,782.71 = 3,351,634.71 : x - Step 2: Convert to fraction form
5,415,954.61/7,474,782.71 = 3,351,634.71/x - Step 3: Cross multiply
5,415,954.61x = 7,474,782.71 × 3,351,634.71 - Step 4: Simplify right side
5,415,954.61x = 25,052,741,180,543.86 - Step 5: Solve for x
x = 25,052,741,180,543.86/5,415,954.61 - Step 6: Final answer
x = 4,625,729.53
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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.