Finding the Fourth Proportional to 4,928,392.84, 6,801,192.66 and 2,782,216.84
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Solution
The fourth proportional to 4,928,392.84, 6,801,192.66 and 2,782,216.84 is: 3,839,465.19
Step by Step Solution
- Step 1: Write the proportion equation
4,928,392.84 : 6,801,192.66 = 2,782,216.84 : x - Step 2: Convert to fraction form
4,928,392.84/6,801,192.66 = 2,782,216.84/x - Step 3: Cross multiply
4,928,392.84x = 6,801,192.66 × 2,782,216.84 - Step 4: Simplify right side
4,928,392.84x = 18,922,392,750,736.39 - Step 5: Solve for x
x = 18,922,392,750,736.39/4,928,392.84 - Step 6: Final answer
x = 3,839,465.19
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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.