Finding the Fourth Proportional to 5,288,285.94, 7,933,135.05 and 2,092,664.79
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Solution
The fourth proportional to 5,288,285.94, 7,933,135.05 and 2,092,664.79 is: 3,139,276.62
Step by Step Solution
- Step 1: Write the proportion equation
5,288,285.94 : 7,933,135.05 = 2,092,664.79 : x - Step 2: Convert to fraction form
5,288,285.94/7,933,135.05 = 2,092,664.79/x - Step 3: Cross multiply
5,288,285.94x = 7,933,135.05 × 2,092,664.79 - Step 4: Simplify right side
5,288,285.94x = 16,601,392,393,449.89 - Step 5: Solve for x
x = 16,601,392,393,449.89/5,288,285.94 - Step 6: Final answer
x = 3,139,276.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.