Finding the Fourth Proportional to 3,850,113.14, 5,313,147.79 and 2,107,768.41
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Solution
The fourth proportional to 3,850,113.14, 5,313,147.79 and 2,107,768.41 is: 2,908,715.84
Step by Step Solution
- Step 1: Write the proportion equation
3,850,113.14 : 5,313,147.79 = 2,107,768.41 : x - Step 2: Convert to fraction form
3,850,113.14/5,313,147.79 = 2,107,768.41/x - Step 3: Cross multiply
3,850,113.14x = 5,313,147.79 × 2,107,768.41 - Step 4: Simplify right side
3,850,113.14x = 11,198,885,064,153.89 - Step 5: Solve for x
x = 11,198,885,064,153.89/3,850,113.14 - Step 6: Final answer
x = 2,908,715.84
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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.