Finding the Fourth Proportional to 7,901,492.73, 11,852,243.68 and 2,221,717.05
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Solution
The fourth proportional to 7,901,492.73, 11,852,243.68 and 2,221,717.05 is: 3,332,576.86
Step by Step Solution
- Step 1: Write the proportion equation
7,901,492.73 : 11,852,243.68 = 2,221,717.05 : x - Step 2: Convert to fraction form
7,901,492.73/11,852,243.68 = 2,221,717.05/x - Step 3: Cross multiply
7,901,492.73x = 11,852,243.68 × 2,221,717.05 - Step 4: Simplify right side
7,901,492.73x = 26,332,331,818,776.26 - Step 5: Solve for x
x = 26,332,331,818,776.26/7,901,492.73 - Step 6: Final answer
x = 3,332,576.86
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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.