Finding the Fourth Proportional to 3,237,120.16, 4,467,226.05 and 1,786,815.97
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Solution
The fourth proportional to 3,237,120.16, 4,467,226.05 and 1,786,815.97 is: 2,465,806.17
Step by Step Solution
- Step 1: Write the proportion equation
3,237,120.16 : 4,467,226.05 = 1,786,815.97 : x - Step 2: Convert to fraction form
3,237,120.16/4,467,226.05 = 1,786,815.97/x - Step 3: Cross multiply
3,237,120.16x = 4,467,226.05 × 1,786,815.97 - Step 4: Simplify right side
3,237,120.16x = 7,982,110,847,740.02 - Step 5: Solve for x
x = 7,982,110,847,740.02/3,237,120.16 - Step 6: Final answer
x = 2,465,806.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.