Finding the Fourth Proportional to 4,942,364.32, 7,418,786.82 and 4,377,412.99
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Solution
The fourth proportional to 4,942,364.32, 7,418,786.82 and 4,377,412.99 is: 6,570,760.81
Step by Step Solution
- Step 1: Write the proportion equation
4,942,364.32 : 7,418,786.82 = 4,377,412.99 : x - Step 2: Convert to fraction form
4,942,364.32/7,418,786.82 = 4,377,412.99/x - Step 3: Cross multiply
4,942,364.32x = 7,418,786.82 × 4,377,412.99 - Step 4: Simplify right side
4,942,364.32x = 32,475,093,795,908.79 - Step 5: Solve for x
x = 32,475,093,795,908.79/4,942,364.32 - Step 6: Final answer
x = 6,570,760.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.