Finding the Fourth Proportional to 3,876,250.71, 5,349,131.58 and 2,133,905.94
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Solution
The fourth proportional to 3,876,250.71, 5,349,131.58 and 2,133,905.94 is: 2,944,738.23
Step by Step Solution
- Step 1: Write the proportion equation
3,876,250.71 : 5,349,131.58 = 2,133,905.94 : x - Step 2: Convert to fraction form
3,876,250.71/5,349,131.58 = 2,133,905.94/x - Step 3: Cross multiply
3,876,250.71x = 5,349,131.58 × 2,133,905.94 - Step 4: Simplify right side
3,876,250.71x = 11,414,543,652,403.59 - Step 5: Solve for x
x = 11,414,543,652,403.59/3,876,250.71 - Step 6: Final answer
x = 2,944,738.23
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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.