Finding the Fourth Proportional to 3,176,163.81, 4,383,133.80 and 1,725,859.21
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Solution
The fourth proportional to 3,176,163.81, 4,383,133.80 and 1,725,859.21 is: 2,381,700.78
Step by Step Solution
- Step 1: Write the proportion equation
3,176,163.81 : 4,383,133.80 = 1,725,859.21 : x - Step 2: Convert to fraction form
3,176,163.81/4,383,133.80 = 1,725,859.21/x - Step 3: Cross multiply
3,176,163.81x = 4,383,133.80 × 1,725,859.21 - Step 4: Simplify right side
3,176,163.81x = 7,564,671,837,392.30 - Step 5: Solve for x
x = 7,564,671,837,392.30/3,176,163.81 - Step 6: Final answer
x = 2,381,700.78
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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.