Finding the Fourth Proportional to 3,899,885.36, 5,383,194.53 and 2,680,228.26
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Solution
The fourth proportional to 3,899,885.36, 5,383,194.53 and 2,680,228.26 is: 3,699,644.68
Step by Step Solution
- Step 1: Write the proportion equation
3,899,885.36 : 5,383,194.53 = 2,680,228.26 : x - Step 2: Convert to fraction form
3,899,885.36/5,383,194.53 = 2,680,228.26/x - Step 3: Cross multiply
3,899,885.36x = 5,383,194.53 × 2,680,228.26 - Step 4: Simplify right side
3,899,885.36x = 14,428,190,094,982.28 - Step 5: Solve for x
x = 14,428,190,094,982.28/3,899,885.36 - Step 6: Final answer
x = 3,699,644.68
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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.