Finding the Fourth Proportional to 6,476,121.30, 9,715,348.35 and 2,689,986.90
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Solution
The fourth proportional to 6,476,121.30, 9,715,348.35 and 2,689,986.90 is: 4,035,464.84
Step by Step Solution
- Step 1: Write the proportion equation
6,476,121.30 : 9,715,348.35 = 2,689,986.90 : x - Step 2: Convert to fraction form
6,476,121.30/9,715,348.35 = 2,689,986.90/x - Step 3: Cross multiply
6,476,121.30x = 9,715,348.35 × 2,689,986.90 - Step 4: Simplify right side
6,476,121.30x = 26,134,159,790,436.61 - Step 5: Solve for x
x = 26,134,159,790,436.61/6,476,121.30 - Step 6: Final answer
x = 4,035,464.84
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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.