Finding the Fourth Proportional to 3,602,198.36, 4,971,072.96 and 1,970,570.70
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Solution
The fourth proportional to 3,602,198.36, 4,971,072.96 and 1,970,570.70 is: 2,719,409.03
Step by Step Solution
- Step 1: Write the proportion equation
3,602,198.36 : 4,971,072.96 = 1,970,570.70 : x - Step 2: Convert to fraction form
3,602,198.36/4,971,072.96 = 1,970,570.70/x - Step 3: Cross multiply
3,602,198.36x = 4,971,072.96 × 1,970,570.70 - Step 4: Simplify right side
3,602,198.36x = 9,795,850,722,538.27 - Step 5: Solve for x
x = 9,795,850,722,538.27/3,602,198.36 - Step 6: Final answer
x = 2,719,409.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.