Finding the Fourth Proportional to 3,106,366.94, 4,288,109.01 and 2,088,362.18
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Solution
The fourth proportional to 3,106,366.94, 4,288,109.01 and 2,088,362.18 is: 2,882,828.99
Step by Step Solution
- Step 1: Write the proportion equation
3,106,366.94 : 4,288,109.01 = 2,088,362.18 : x - Step 2: Convert to fraction form
3,106,366.94/4,288,109.01 = 2,088,362.18/x - Step 3: Cross multiply
3,106,366.94x = 4,288,109.01 × 2,088,362.18 - Step 4: Simplify right side
3,106,366.94x = 8,955,124,680,201.24 - Step 5: Solve for x
x = 8,955,124,680,201.24/3,106,366.94 - Step 6: Final answer
x = 2,882,828.99
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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.