Finding the Fourth Proportional to 3,364,904.21, 4,643,392.16 and 1,836,716.09
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Solution
The fourth proportional to 3,364,904.21, 4,643,392.16 and 1,836,716.09 is: 2,534,572.32
Step by Step Solution
- Step 1: Write the proportion equation
3,364,904.21 : 4,643,392.16 = 1,836,716.09 : x - Step 2: Convert to fraction form
3,364,904.21/4,643,392.16 = 1,836,716.09/x - Step 3: Cross multiply
3,364,904.21x = 4,643,392.16 × 1,836,716.09 - Step 4: Simplify right side
3,364,904.21x = 8,528,593,073,826.68 - Step 5: Solve for x
x = 8,528,593,073,826.68/3,364,904.21 - Step 6: Final answer
x = 2,534,572.32
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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.