Finding the Fourth Proportional to 3,428,482.08, 5,143,579.64 and 2,419,573.38
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Solution
The fourth proportional to 3,428,482.08, 5,143,579.64 and 2,419,573.38 is: 3,629,964.54
Step by Step Solution
- Step 1: Write the proportion equation
3,428,482.08 : 5,143,579.64 = 2,419,573.38 : x - Step 2: Convert to fraction form
3,428,482.08/5,143,579.64 = 2,419,573.38/x - Step 3: Cross multiply
3,428,482.08x = 5,143,579.64 × 2,419,573.38 - Step 4: Simplify right side
3,428,482.08x = 12,445,268,374,853.98 - Step 5: Solve for x
x = 12,445,268,374,853.98/3,428,482.08 - Step 6: Final answer
x = 3,629,964.54
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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.