Finding the Fourth Proportional to 3,258,305.40, 4,496,245.32 and 1,807,908.84
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Solution
The fourth proportional to 3,258,305.40, 4,496,245.32 and 1,807,908.84 is: 2,494,794.28
Step by Step Solution
- Step 1: Write the proportion equation
3,258,305.40 : 4,496,245.32 = 1,807,908.84 : x - Step 2: Convert to fraction form
3,258,305.40/4,496,245.32 = 1,807,908.84/x - Step 3: Cross multiply
3,258,305.40x = 4,496,245.32 × 1,807,908.84 - Step 4: Simplify right side
3,258,305.40x = 8,128,801,660,836.63 - Step 5: Solve for x
x = 8,128,801,660,836.63/3,258,305.40 - Step 6: Final answer
x = 2,494,794.28
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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.