Finding the Fourth Proportional to 5,521,979.41, 8,282,657.57 and 2,447,084.64
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Solution
The fourth proportional to 5,521,979.41, 8,282,657.57 and 2,447,084.64 is: 3,670,488.90
Step by Step Solution
- Step 1: Write the proportion equation
5,521,979.41 : 8,282,657.57 = 2,447,084.64 : x - Step 2: Convert to fraction form
5,521,979.41/8,282,657.57 = 2,447,084.64/x - Step 3: Cross multiply
5,521,979.41x = 8,282,657.57 × 2,447,084.64 - Step 4: Simplify right side
5,521,979.41x = 20,268,364,136,751.27 - Step 5: Solve for x
x = 20,268,364,136,751.27/5,521,979.41 - Step 6: Final answer
x = 3,670,488.90
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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.