Finding the Fourth Proportional to 3,578,359.11, 4,941,115.47 and 3,318,723.96
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Solution
The fourth proportional to 3,578,359.11, 4,941,115.47 and 3,318,723.96 is: 4,582,602.75
Step by Step Solution
- Step 1: Write the proportion equation
3,578,359.11 : 4,941,115.47 = 3,318,723.96 : x - Step 2: Convert to fraction form
3,578,359.11/4,941,115.47 = 3,318,723.96/x - Step 3: Cross multiply
3,578,359.11x = 4,941,115.47 × 3,318,723.96 - Step 4: Simplify right side
3,578,359.11x = 16,398,198,299,415.66 - Step 5: Solve for x
x = 16,398,198,299,415.66/3,578,359.11 - Step 6: Final answer
x = 4,582,602.75
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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.