Finding the Fourth Proportional to 3,218,227.36, 4,440,660.56 and 1,859,838.24
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Solution
The fourth proportional to 3,218,227.36, 4,440,660.56 and 1,859,838.24 is: 2,566,291.75
Step by Step Solution
- Step 1: Write the proportion equation
3,218,227.36 : 4,440,660.56 = 1,859,838.24 : x - Step 2: Convert to fraction form
3,218,227.36/4,440,660.56 = 1,859,838.24/x - Step 3: Cross multiply
3,218,227.36x = 4,440,660.56 × 1,859,838.24 - Step 4: Simplify right side
3,218,227.36x = 8,258,910,320,347.81 - Step 5: Solve for x
x = 8,258,910,320,347.81/3,218,227.36 - Step 6: Final answer
x = 2,566,291.75
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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.