Finding the Fourth Proportional to 3,353,908.29, 4,628,811.69 and 1,904,073.09
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Solution
The fourth proportional to 3,353,908.29, 4,628,811.69 and 1,904,073.09 is: 2,627,858.31
Step by Step Solution
- Step 1: Write the proportion equation
3,353,908.29 : 4,628,811.69 = 1,904,073.09 : x - Step 2: Convert to fraction form
3,353,908.29/4,628,811.69 = 1,904,073.09/x - Step 3: Cross multiply
3,353,908.29x = 4,628,811.69 × 1,904,073.09 - Step 4: Simplify right side
3,353,908.29x = 8,813,595,777,606.42 - Step 5: Solve for x
x = 8,813,595,777,606.42/3,353,908.29 - Step 6: Final answer
x = 2,627,858.31
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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.