Finding the Fourth Proportional to 5,351,672.43, 7,385,327.28 and 2,904,282.81
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Solution
The fourth proportional to 5,351,672.43, 7,385,327.28 and 2,904,282.81 is: 4,007,920.77
Step by Step Solution
- Step 1: Write the proportion equation
5,351,672.43 : 7,385,327.28 = 2,904,282.81 : x - Step 2: Convert to fraction form
5,351,672.43/7,385,327.28 = 2,904,282.81/x - Step 3: Cross multiply
5,351,672.43x = 7,385,327.28 × 2,904,282.81 - Step 4: Simplify right side
5,351,672.43x = 21,449,079,065,528.06 - Step 5: Solve for x
x = 21,449,079,065,528.06/5,351,672.43 - Step 6: Final answer
x = 4,007,920.77
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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.