Finding the Fourth Proportional to 5,147,636.23, 7,104,368.01 and 2,972,175.73
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Solution
The fourth proportional to 5,147,636.23, 7,104,368.01 and 2,972,175.73 is: 4,101,966.27
Step by Step Solution
- Step 1: Write the proportion equation
5,147,636.23 : 7,104,368.01 = 2,972,175.73 : x - Step 2: Convert to fraction form
5,147,636.23/7,104,368.01 = 2,972,175.73/x - Step 3: Cross multiply
5,147,636.23x = 7,104,368.01 × 2,972,175.73 - Step 4: Simplify right side
5,147,636.23x = 21,115,430,202,114.28 - Step 5: Solve for x
x = 21,115,430,202,114.28/5,147,636.23 - Step 6: Final answer
x = 4,101,966.27
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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.