Finding the Fourth Proportional to 3,251,648.61, 4,486,948.02 and 1,801,073.07
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Solution
The fourth proportional to 3,251,648.61, 4,486,948.02 and 1,801,073.07 is: 2,485,299.68
Step by Step Solution
- Step 1: Write the proportion equation
3,251,648.61 : 4,486,948.02 = 1,801,073.07 : x - Step 2: Convert to fraction form
3,251,648.61/4,486,948.02 = 1,801,073.07/x - Step 3: Cross multiply
3,251,648.61x = 4,486,948.02 × 1,801,073.07 - Step 4: Simplify right side
3,251,648.61x = 8,081,321,245,311.82 - Step 5: Solve for x
x = 8,081,321,245,311.82/3,251,648.61 - Step 6: Final answer
x = 2,485,299.68
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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.