Finding the Fourth Proportional to 4,676,921.75, 6,454,171.46 and 2,530,745.75
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Solution
The fourth proportional to 4,676,921.75, 6,454,171.46 and 2,530,745.75 is: 3,492,439.66
Step by Step Solution
- Step 1: Write the proportion equation
4,676,921.75 : 6,454,171.46 = 2,530,745.75 : x - Step 2: Convert to fraction form
4,676,921.75/6,454,171.46 = 2,530,745.75/x - Step 3: Cross multiply
4,676,921.75x = 6,454,171.46 × 2,530,745.75 - Step 4: Simplify right side
4,676,921.75x = 16,333,866,992,166.29 - Step 5: Solve for x
x = 16,333,866,992,166.29/4,676,921.75 - Step 6: Final answer
x = 3,492,439.66
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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.