Finding the Fourth Proportional to 1,998,382.12, 2,994,915.84 and 1,730,890.12
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Solution
The fourth proportional to 1,998,382.12, 2,994,915.84 and 1,730,890.12 is: 2,594,033.54
Step by Step Solution
- Step 1: Write the proportion equation
1,998,382.12 : 2,994,915.84 = 1,730,890.12 : x - Step 2: Convert to fraction form
1,998,382.12/2,994,915.84 = 1,730,890.12/x - Step 3: Cross multiply
1,998,382.12x = 2,994,915.84 × 1,730,890.12 - Step 4: Simplify right side
1,998,382.12x = 5,183,870,237,687.50 - Step 5: Solve for x
x = 5,183,870,237,687.50/1,998,382.12 - Step 6: Final answer
x = 2,594,033.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.