Finding the Fourth Proportional to 3,903,634.14, 5,386,372.39 and 2,452,301.75
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Solution
The fourth proportional to 3,903,634.14, 5,386,372.39 and 2,452,301.75 is: 3,383,772.65
Step by Step Solution
- Step 1: Write the proportion equation
3,903,634.14 : 5,386,372.39 = 2,452,301.75 : x - Step 2: Convert to fraction form
3,903,634.14/5,386,372.39 = 2,452,301.75/x - Step 3: Cross multiply
3,903,634.14x = 5,386,372.39 × 2,452,301.75 - Step 4: Simplify right side
3,903,634.14x = 13,209,010,438,148.68 - Step 5: Solve for x
x = 13,209,010,438,148.68/3,903,634.14 - Step 6: Final answer
x = 3,383,772.65
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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.