Finding the Fourth Proportional to 1,556,172.36, 2,147,475.06 and 867,865.14
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Solution
The fourth proportional to 1,556,172.36, 2,147,475.06 and 867,865.14 is: 1,197,630.03
Step by Step Solution
- Step 1: Write the proportion equation
1,556,172.36 : 2,147,475.06 = 867,865.14 : x - Step 2: Convert to fraction form
1,556,172.36/2,147,475.06 = 867,865.14/x - Step 3: Cross multiply
1,556,172.36x = 2,147,475.06 × 867,865.14 - Step 4: Simplify right side
1,556,172.36x = 1,863,718,743,593.41 - Step 5: Solve for x
x = 1,863,718,743,593.41/1,556,172.36 - Step 6: Final answer
x = 1,197,630.03
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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.