Finding the Fourth Proportional to 6,138,218.21, 8,471,504.84 and 3,525,540.53
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Solution
The fourth proportional to 6,138,218.21, 8,471,504.84 and 3,525,540.53 is: 4,865,684.57
Step by Step Solution
- Step 1: Write the proportion equation
6,138,218.21 : 8,471,504.84 = 3,525,540.53 : x - Step 2: Convert to fraction form
6,138,218.21/8,471,504.84 = 3,525,540.53/x - Step 3: Cross multiply
6,138,218.21x = 8,471,504.84 × 3,525,540.53 - Step 4: Simplify right side
6,138,218.21x = 29,866,633,667,062.23 - Step 5: Solve for x
x = 29,866,633,667,062.23/6,138,218.21 - Step 6: Final answer
x = 4,865,684.57
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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.