Finding the Fourth Proportional to 6,375,492.84, 8,798,183.40 and 3,622,185.12
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Solution
The fourth proportional to 6,375,492.84, 8,798,183.40 and 3,622,185.12 is: 4,998,617.33
Step by Step Solution
- Step 1: Write the proportion equation
6,375,492.84 : 8,798,183.40 = 3,622,185.12 : x - Step 2: Convert to fraction form
6,375,492.84/8,798,183.40 = 3,622,185.12/x - Step 3: Cross multiply
6,375,492.84x = 8,798,183.40 × 3,622,185.12 - Step 4: Simplify right side
6,375,492.84x = 31,868,648,994,511.01 - Step 5: Solve for x
x = 31,868,648,994,511.01/6,375,492.84 - Step 6: Final answer
x = 4,998,617.33
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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.