Finding the Fourth Proportional to 3,258,309.36, 4,496,250.84 and 1,807,912.88
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Solution
The fourth proportional to 3,258,309.36, 4,496,250.84 and 1,807,912.88 is: 2,494,799.88
Step by Step Solution
- Step 1: Write the proportion equation
3,258,309.36 : 4,496,250.84 = 1,807,912.88 : x - Step 2: Convert to fraction form
3,258,309.36/4,496,250.84 = 1,807,912.88/x - Step 3: Cross multiply
3,258,309.36x = 4,496,250.84 × 1,807,912.88 - Step 4: Simplify right side
3,258,309.36x = 8,128,829,805,346.82 - Step 5: Solve for x
x = 8,128,829,805,346.82/3,258,309.36 - Step 6: Final answer
x = 2,494,799.88
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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.