Finding the Fourth Proportional to 2,467,629.86, 3,405,305.86 and 1,379,888.96
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Solution
The fourth proportional to 2,467,629.86, 3,405,305.86 and 1,379,888.96 is: 1,904,233.71
Step by Step Solution
- Step 1: Write the proportion equation
2,467,629.86 : 3,405,305.86 = 1,379,888.96 : x - Step 2: Convert to fraction form
2,467,629.86/3,405,305.86 = 1,379,888.96/x - Step 3: Cross multiply
2,467,629.86x = 3,405,305.86 × 1,379,888.96 - Step 4: Simplify right side
2,467,629.86x = 4,698,943,961,637.31 - Step 5: Solve for x
x = 4,698,943,961,637.31/2,467,629.86 - Step 6: Final answer
x = 1,904,233.71
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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.