Finding the Fourth Proportional to 5,694,441.42, 7,858,329.78 and 3,116,122.74
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Solution
The fourth proportional to 5,694,441.42, 7,858,329.78 and 3,116,122.74 is: 4,300,249.72
Step by Step Solution
- Step 1: Write the proportion equation
5,694,441.42 : 7,858,329.78 = 3,116,122.74 : x - Step 2: Convert to fraction form
5,694,441.42/7,858,329.78 = 3,116,122.74/x - Step 3: Cross multiply
5,694,441.42x = 7,858,329.78 × 3,116,122.74 - Step 4: Simplify right side
5,694,441.42x = 24,487,520,125,877.20 - Step 5: Solve for x
x = 24,487,520,125,877.20/5,694,441.42 - Step 6: Final answer
x = 4,300,249.72
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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.