Finding the Fourth Proportional to 4,337,788.38, 6,467,901.63 and 4,218,611.19
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Solution
The fourth proportional to 4,337,788.38, 6,467,901.63 and 4,218,611.19 is: 6,290,201.32
Step by Step Solution
- Step 1: Write the proportion equation
4,337,788.38 : 6,467,901.63 = 4,218,611.19 : x - Step 2: Convert to fraction form
4,337,788.38/6,467,901.63 = 4,218,611.19/x - Step 3: Cross multiply
4,337,788.38x = 6,467,901.63 × 4,218,611.19 - Step 4: Simplify right side
4,337,788.38x = 27,285,562,192,137.24 - Step 5: Solve for x
x = 27,285,562,192,137.24/4,337,788.38 - Step 6: Final answer
x = 6,290,201.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.