Finding the Fourth Proportional to 5,337,245.92, 7,365,402.84 and 2,889,858.70
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Solution
The fourth proportional to 5,337,245.92, 7,365,402.84 and 2,889,858.70 is: 3,988,006.89
Step by Step Solution
- Step 1: Write the proportion equation
5,337,245.92 : 7,365,402.84 = 2,889,858.70 : x - Step 2: Convert to fraction form
5,337,245.92/7,365,402.84 = 2,889,858.70/x - Step 3: Cross multiply
5,337,245.92x = 7,365,402.84 × 2,889,858.70 - Step 4: Simplify right side
5,337,245.92x = 21,284,973,476,178.71 - Step 5: Solve for x
x = 21,284,973,476,178.71/5,337,245.92 - Step 6: Final answer
x = 3,988,006.89
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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.