Finding the Fourth Proportional to 7,729,504.80, 11,594,257.20 and 2,680,815.30
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Solution
The fourth proportional to 7,729,504.80, 11,594,257.20 and 2,680,815.30 is: 4,021,222.95
Step by Step Solution
- Step 1: Write the proportion equation
7,729,504.80 : 11,594,257.20 = 2,680,815.30 : x - Step 2: Convert to fraction form
7,729,504.80/11,594,257.20 = 2,680,815.30/x - Step 3: Cross multiply
7,729,504.80x = 11,594,257.20 × 2,680,815.30 - Step 4: Simplify right side
7,729,504.80x = 31,082,062,093,895.16 - Step 5: Solve for x
x = 31,082,062,093,895.16/7,729,504.80 - Step 6: Final answer
x = 4,021,222.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.