Finding the Fourth Proportional to 1,511,821.80, 2,268,145.80 and 446,862.96
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Solution
The fourth proportional to 1,511,821.80, 2,268,145.80 and 446,862.96 is: 670,416.54
Step by Step Solution
- Step 1: Write the proportion equation
1,511,821.80 : 2,268,145.80 = 446,862.96 : x - Step 2: Convert to fraction form
1,511,821.80/2,268,145.80 = 446,862.96/x - Step 3: Cross multiply
1,511,821.80x = 2,268,145.80 × 446,862.96 - Step 4: Simplify right side
1,511,821.80x = 1,013,550,345,899.57 - Step 5: Solve for x
x = 1,013,550,345,899.57/1,511,821.80 - Step 6: Final answer
x = 670,416.54
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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.