Finding the Fourth Proportional to 2,248,428.80, 3,374,198.40 and 1,617,795.20
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Solution
The fourth proportional to 2,248,428.80, 3,374,198.40 and 1,617,795.20 is: 2,427,811.80
Step by Step Solution
- Step 1: Write the proportion equation
2,248,428.80 : 3,374,198.40 = 1,617,795.20 : x - Step 2: Convert to fraction form
2,248,428.80/3,374,198.40 = 1,617,795.20/x - Step 3: Cross multiply
2,248,428.80x = 3,374,198.40 × 1,617,795.20 - Step 4: Simplify right side
2,248,428.80x = 5,458,761,975,367.68 - Step 5: Solve for x
x = 5,458,761,975,367.68/2,248,428.80 - Step 6: Final answer
x = 2,427,811.80
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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.