Finding the Fourth Proportional to 3,106,366.69, 4,288,108.67 and 2,088,361.93
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Solution
The fourth proportional to 3,106,366.69, 4,288,108.67 and 2,088,361.93 is: 2,882,828.65
Step by Step Solution
- Step 1: Write the proportion equation
3,106,366.69 : 4,288,108.67 = 2,088,361.93 : x - Step 2: Convert to fraction form
3,106,366.69/4,288,108.67 = 2,088,361.93/x - Step 3: Cross multiply
3,106,366.69x = 4,288,108.67 × 2,088,361.93 - Step 4: Simplify right side
3,106,366.69x = 8,955,122,887,689.12 - Step 5: Solve for x
x = 8,955,122,887,689.12/3,106,366.69 - Step 6: Final answer
x = 2,882,828.65
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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.