Finding the Fourth Proportional to 3,396,563.68, 4,687,257.72 and 1,868,638
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Solution
The fourth proportional to 3,396,563.68, 4,687,257.72 and 1,868,638 is: 2,578,720.35
Step by Step Solution
- Step 1: Write the proportion equation
3,396,563.68 : 4,687,257.72 = 1,868,638 : x - Step 2: Convert to fraction form
3,396,563.68/4,687,257.72 = 1,868,638/x - Step 3: Cross multiply
3,396,563.68x = 4,687,257.72 × 1,868,638 - Step 4: Simplify right side
3,396,563.68x = 8,758,787,891,385.36 - Step 5: Solve for x
x = 8,758,787,891,385.36/3,396,563.68 - Step 6: Final answer
x = 2,578,720.35
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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.