Finding the Fourth Proportional to 6,467,785.97, 9,701,678.96 and 2,628,708.94
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Solution
The fourth proportional to 6,467,785.97, 9,701,678.96 and 2,628,708.94 is: 3,943,063.40
Step by Step Solution
- Step 1: Write the proportion equation
6,467,785.97 : 9,701,678.96 = 2,628,708.94 : x - Step 2: Convert to fraction form
6,467,785.97/9,701,678.96 = 2,628,708.94/x - Step 3: Cross multiply
6,467,785.97x = 9,701,678.96 × 2,628,708.94 - Step 4: Simplify right side
6,467,785.97x = 25,502,890,169,431.17 - Step 5: Solve for x
x = 25,502,890,169,431.17/6,467,785.97 - Step 6: Final answer
x = 3,943,063.40
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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.