Finding the Fourth Proportional to 3,927,747.38, 5,420,206.26 and 2,273,964.17
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Solution
The fourth proportional to 3,927,747.38, 5,420,206.26 and 2,273,964.17 is: 3,138,021.27
Step by Step Solution
- Step 1: Write the proportion equation
3,927,747.38 : 5,420,206.26 = 2,273,964.17 : x - Step 2: Convert to fraction form
3,927,747.38/5,420,206.26 = 2,273,964.17/x - Step 3: Cross multiply
3,927,747.38x = 5,420,206.26 × 2,273,964.17 - Step 4: Simplify right side
3,927,747.38x = 12,325,354,802,148.67 - Step 5: Solve for x
x = 12,325,354,802,148.67/3,927,747.38 - Step 6: Final answer
x = 3,138,021.27
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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.