Finding the Fourth Proportional to 2,383,415.48, 3,286,026.15 and 1,543,713.12
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Solution
The fourth proportional to 2,383,415.48, 3,286,026.15 and 1,543,713.12 is: 2,128,324.55
Step by Step Solution
- Step 1: Write the proportion equation
2,383,415.48 : 3,286,026.15 = 1,543,713.12 : x - Step 2: Convert to fraction form
2,383,415.48/3,286,026.15 = 1,543,713.12/x - Step 3: Cross multiply
2,383,415.48x = 3,286,026.15 × 1,543,713.12 - Step 4: Simplify right side
2,383,415.48x = 5,072,681,680,418.09 - Step 5: Solve for x
x = 5,072,681,680,418.09/2,383,415.48 - Step 6: Final answer
x = 2,128,324.55
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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.