Finding the Fourth Proportional to 4,848,420.18, 6,690,765.84 and 2,783,485.14
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Solution
The fourth proportional to 4,848,420.18, 6,690,765.84 and 2,783,485.14 is: 3,841,178.49
Step by Step Solution
- Step 1: Write the proportion equation
4,848,420.18 : 6,690,765.84 = 2,783,485.14 : x - Step 2: Convert to fraction form
4,848,420.18/6,690,765.84 = 2,783,485.14/x - Step 3: Cross multiply
4,848,420.18x = 6,690,765.84 × 2,783,485.14 - Step 4: Simplify right side
4,848,420.18x = 18,623,647,290,859.62 - Step 5: Solve for x
x = 18,623,647,290,859.62/4,848,420.18 - Step 6: Final answer
x = 3,841,178.49
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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.