Finding the Fourth Proportional to 3,941,366.12, 5,439,243.44 and 2,199,187.68
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Solution
The fourth proportional to 3,941,366.12, 5,439,243.44 and 2,199,187.68 is: 3,034,967.27
Step by Step Solution
- Step 1: Write the proportion equation
3,941,366.12 : 5,439,243.44 = 2,199,187.68 : x - Step 2: Convert to fraction form
3,941,366.12/5,439,243.44 = 2,199,187.68/x - Step 3: Cross multiply
3,941,366.12x = 5,439,243.44 × 2,199,187.68 - Step 4: Simplify right side
3,941,366.12x = 11,961,917,161,768.82 - Step 5: Solve for x
x = 11,961,917,161,768.82/3,941,366.12 - Step 6: Final answer
x = 3,034,967.27
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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.