Finding the Fourth Proportional to 4,190,655.96, 5,783,145.66 and 2,379,832.92
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Solution
The fourth proportional to 4,190,655.96, 5,783,145.66 and 2,379,832.92 is: 3,284,192.39
Step by Step Solution
- Step 1: Write the proportion equation
4,190,655.96 : 5,783,145.66 = 2,379,832.92 : x - Step 2: Convert to fraction form
4,190,655.96/5,783,145.66 = 2,379,832.92/x - Step 3: Cross multiply
4,190,655.96x = 5,783,145.66 × 2,379,832.92 - Step 4: Simplify right side
4,190,655.96x = 13,762,920,422,823.13 - Step 5: Solve for x
x = 13,762,920,422,823.13/4,190,655.96 - Step 6: Final answer
x = 3,284,192.39
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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.