Finding the Fourth Proportional to 3,256,291.81, 4,493,958.66 and 1,806,454.31
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Solution
The fourth proportional to 3,256,291.81, 4,493,958.66 and 1,806,454.31 is: 2,493,060.05
Step by Step Solution
- Step 1: Write the proportion equation
3,256,291.81 : 4,493,958.66 = 1,806,454.31 : x - Step 2: Convert to fraction form
3,256,291.81/4,493,958.66 = 1,806,454.31/x - Step 3: Cross multiply
3,256,291.81x = 4,493,958.66 × 1,806,454.31 - Step 4: Simplify right side
3,256,291.81x = 8,118,131,001,553.72 - Step 5: Solve for x
x = 8,118,131,001,553.72/3,256,291.81 - Step 6: Final answer
x = 2,493,060.05
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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.