Finding the Fourth Proportional to 4,676,920.75, 6,454,170.08 and 2,530,744.75
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Solution
The fourth proportional to 4,676,920.75, 6,454,170.08 and 2,530,744.75 is: 3,492,438.28
Step by Step Solution
- Step 1: Write the proportion equation
4,676,920.75 : 6,454,170.08 = 2,530,744.75 : x - Step 2: Convert to fraction form
4,676,920.75/6,454,170.08 = 2,530,744.75/x - Step 3: Cross multiply
4,676,920.75x = 6,454,170.08 × 2,530,744.75 - Step 4: Simplify right side
4,676,920.75x = 16,333,857,045,567.08 - Step 5: Solve for x
x = 16,333,857,045,567.08/4,676,920.75 - Step 6: Final answer
x = 3,492,438.28
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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.