Finding the Fourth Proportional to 3,137,105.90, 4,330,133.44 and 1,848,362.70
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Solution
The fourth proportional to 3,137,105.90, 4,330,133.44 and 1,848,362.70 is: 2,551,286.88
Step by Step Solution
- Step 1: Write the proportion equation
3,137,105.90 : 4,330,133.44 = 1,848,362.70 : x - Step 2: Convert to fraction form
3,137,105.90/4,330,133.44 = 1,848,362.70/x - Step 3: Cross multiply
3,137,105.90x = 4,330,133.44 × 1,848,362.70 - Step 4: Simplify right side
3,137,105.90x = 8,003,657,136,518.69 - Step 5: Solve for x
x = 8,003,657,136,518.69/3,137,105.90 - Step 6: Final answer
x = 2,551,286.88
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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.