Finding the Fourth Proportional to 3,239,406.68, 4,470,354.97 and 1,789,201.51
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Solution
The fourth proportional to 3,239,406.68, 4,470,354.97 and 1,789,201.51 is: 2,469,083.59
Step by Step Solution
- Step 1: Write the proportion equation
3,239,406.68 : 4,470,354.97 = 1,789,201.51 : x - Step 2: Convert to fraction form
3,239,406.68/4,470,354.97 = 1,789,201.51/x - Step 3: Cross multiply
3,239,406.68x = 4,470,354.97 × 1,789,201.51 - Step 4: Simplify right side
3,239,406.68x = 7,998,365,846,911.11 - Step 5: Solve for x
x = 7,998,365,846,911.11/3,239,406.68 - Step 6: Final answer
x = 2,469,083.59
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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.