Finding the Fourth Proportional to 4,694,768.98, 6,478,863.78 and 2,629,767.13
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Solution
The fourth proportional to 4,694,768.98, 6,478,863.78 and 2,629,767.13 is: 3,629,124.90
Step by Step Solution
- Step 1: Write the proportion equation
4,694,768.98 : 6,478,863.78 = 2,629,767.13 : x - Step 2: Convert to fraction form
4,694,768.98/6,478,863.78 = 2,629,767.13/x - Step 3: Cross multiply
4,694,768.98x = 6,478,863.78 × 2,629,767.13 - Step 4: Simplify right side
4,694,768.98x = 17,037,903,008,391.55 - Step 5: Solve for x
x = 17,037,903,008,391.55/4,694,768.98 - Step 6: Final answer
x = 3,629,124.90
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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.