Finding the Fourth Proportional to 3,850,349.37, 5,313,544.79 and 2,107,989.35
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Solution
The fourth proportional to 3,850,349.37, 5,313,544.79 and 2,107,989.35 is: 2,909,059.61
Step by Step Solution
- Step 1: Write the proportion equation
3,850,349.37 : 5,313,544.79 = 2,107,989.35 : x - Step 2: Convert to fraction form
3,850,349.37/5,313,544.79 = 2,107,989.35/x - Step 3: Cross multiply
3,850,349.37x = 5,313,544.79 × 2,107,989.35 - Step 4: Simplify right side
3,850,349.37x = 11,200,895,825,433 - Step 5: Solve for x
x = 11,200,895,825,433/3,850,349.37 - Step 6: Final answer
x = 2,909,059.61
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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.