Finding the Fourth Proportional to 5,694,356.88, 7,858,211.76 and 3,116,037.96
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Solution
The fourth proportional to 5,694,356.88, 7,858,211.76 and 3,116,037.96 is: 4,300,131.98
Step by Step Solution
- Step 1: Write the proportion equation
5,694,356.88 : 7,858,211.76 = 3,116,037.96 : x - Step 2: Convert to fraction form
5,694,356.88/7,858,211.76 = 3,116,037.96/x - Step 3: Cross multiply
5,694,356.88x = 7,858,211.76 × 3,116,037.96 - Step 4: Simplify right side
5,694,356.88x = 24,486,486,141,878.41 - Step 5: Solve for x
x = 24,486,486,141,878.41/5,694,356.88 - Step 6: Final answer
x = 4,300,131.98
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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.