Finding the Fourth Proportional to 3,861,473.05, 5,328,480.58 and 2,291,334.29
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Solution
The fourth proportional to 3,861,473.05, 5,328,480.58 and 2,291,334.29 is: 3,161,832.31
Step by Step Solution
- Step 1: Write the proportion equation
3,861,473.05 : 5,328,480.58 = 2,291,334.29 : x - Step 2: Convert to fraction form
3,861,473.05/5,328,480.58 = 2,291,334.29/x - Step 3: Cross multiply
3,861,473.05x = 5,328,480.58 × 2,291,334.29 - Step 4: Simplify right side
3,861,473.05x = 12,209,330,266,553.09 - Step 5: Solve for x
x = 12,209,330,266,553.09/3,861,473.05 - Step 6: Final answer
x = 3,161,832.31
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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.