Finding the Fourth Proportional to 5,151,446.09, 7,727,239.27 and 1,911,731.94
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Solution
The fourth proportional to 5,151,446.09, 7,727,239.27 and 1,911,731.94 is: 2,867,623.94
Step by Step Solution
- Step 1: Write the proportion equation
5,151,446.09 : 7,727,239.27 = 1,911,731.94 : x - Step 2: Convert to fraction form
5,151,446.09/7,727,239.27 = 1,911,731.94/x - Step 3: Cross multiply
5,151,446.09x = 7,727,239.27 × 1,911,731.94 - Step 4: Simplify right side
5,151,446.09x = 14,772,410,120,481.28 - Step 5: Solve for x
x = 14,772,410,120,481.28/5,151,446.09 - Step 6: Final answer
x = 2,867,623.94
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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.