Finding the Fourth Proportional to 3,240,236.97, 4,471,564.55 and 1,789,902.36
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Solution
The fourth proportional to 3,240,236.97, 4,471,564.55 and 1,789,902.36 is: 2,470,085.99
Step by Step Solution
- Step 1: Write the proportion equation
3,240,236.97 : 4,471,564.55 = 1,789,902.36 : x - Step 2: Convert to fraction form
3,240,236.97/4,471,564.55 = 1,789,902.36/x - Step 3: Cross multiply
3,240,236.97x = 4,471,564.55 × 1,789,902.36 - Step 4: Simplify right side
3,240,236.97x = 8,003,663,931,987.83 - Step 5: Solve for x
x = 8,003,663,931,987.83/3,240,236.97 - Step 6: Final answer
x = 2,470,085.99
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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.