Finding the Fourth Proportional to 5,197,452.73, 7,172,532.48 and 2,874,225.18
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Solution
The fourth proportional to 5,197,452.73, 7,172,532.48 and 2,874,225.18 is: 3,966,457.14
Step by Step Solution
- Step 1: Write the proportion equation
5,197,452.73 : 7,172,532.48 = 2,874,225.18 : x - Step 2: Convert to fraction form
5,197,452.73/7,172,532.48 = 2,874,225.18/x - Step 3: Cross multiply
5,197,452.73x = 7,172,532.48 × 2,874,225.18 - Step 4: Simplify right side
5,197,452.73x = 20,615,473,458,383.85 - Step 5: Solve for x
x = 20,615,473,458,383.85/5,197,452.73 - Step 6: Final answer
x = 3,966,457.14
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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.