Finding the Fourth Proportional to 3,106,367.94, 4,288,110.39 and 2,088,363.18
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Solution
The fourth proportional to 3,106,367.94, 4,288,110.39 and 2,088,363.18 is: 2,882,830.37
Step by Step Solution
- Step 1: Write the proportion equation
3,106,367.94 : 4,288,110.39 = 2,088,363.18 : x - Step 2: Convert to fraction form
3,106,367.94/4,288,110.39 = 2,088,363.18/x - Step 3: Cross multiply
3,106,367.94x = 4,288,110.39 × 2,088,363.18 - Step 4: Simplify right side
3,106,367.94x = 8,955,131,850,251.44 - Step 5: Solve for x
x = 8,955,131,850,251.44/3,106,367.94 - Step 6: Final answer
x = 2,882,830.37
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1.5x scale
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.