Finding the Fourth Proportional to 5,753,257.67, 7,942,480.67 and 4,202,778.56
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Solution
The fourth proportional to 5,753,257.67, 7,942,480.67 and 4,202,778.56 is: 5,802,015.02
Step by Step Solution
- Step 1: Write the proportion equation
5,753,257.67 : 7,942,480.67 = 4,202,778.56 : x - Step 2: Convert to fraction form
5,753,257.67/7,942,480.67 = 4,202,778.56/x - Step 3: Cross multiply
5,753,257.67x = 7,942,480.67 × 4,202,778.56 - Step 4: Simplify right side
5,753,257.67x = 33,380,487,420,244.35 - Step 5: Solve for x
x = 33,380,487,420,244.35/5,753,257.67 - Step 6: Final answer
x = 5,802,015.02
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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.