Finding the Fourth Proportional to 3,941,187.81, 5,439,215.93 and 2,471,330.49
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Solution
The fourth proportional to 3,941,187.81, 5,439,215.93 and 2,471,330.49 is: 3,410,672.32
Step by Step Solution
- Step 1: Write the proportion equation
3,941,187.81 : 5,439,215.93 = 2,471,330.49 : x - Step 2: Convert to fraction form
3,941,187.81/5,439,215.93 = 2,471,330.49/x - Step 3: Cross multiply
3,941,187.81x = 5,439,215.93 × 2,471,330.49 - Step 4: Simplify right side
3,941,187.81x = 13,442,100,157,146.05 - Step 5: Solve for x
x = 13,442,100,157,146.05/3,941,187.81 - Step 6: Final answer
x = 3,410,672.32
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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.