Finding the Fourth Proportional to 6,786,498, 9,365,546.40 and 3,689,229.68
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Solution
The fourth proportional to 6,786,498, 9,365,546.40 and 3,689,229.68 is: 5,091,234.35
Step by Step Solution
- Step 1: Write the proportion equation
6,786,498 : 9,365,546.40 = 3,689,229.68 : x - Step 2: Convert to fraction form
6,786,498/9,365,546.40 = 3,689,229.68/x - Step 3: Cross multiply
6,786,498x = 9,365,546.40 × 3,689,229.68 - Step 4: Simplify right side
6,786,498x = 34,551,651,748,297.16 - Step 5: Solve for x
x = 34,551,651,748,297.16/6,786,498 - Step 6: Final answer
x = 5,091,234.35
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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.