Finding the Fourth Proportional to 5,731,549.92, 7,909,538.84 and 3,153,175.36
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Solution
The fourth proportional to 5,731,549.92, 7,909,538.84 and 3,153,175.36 is: 4,351,381.97
Step by Step Solution
- Step 1: Write the proportion equation
5,731,549.92 : 7,909,538.84 = 3,153,175.36 : x - Step 2: Convert to fraction form
5,731,549.92/7,909,538.84 = 3,153,175.36/x - Step 3: Cross multiply
5,731,549.92x = 7,909,538.84 × 3,153,175.36 - Step 4: Simplify right side
5,731,549.92x = 24,940,162,979,250.98 - Step 5: Solve for x
x = 24,940,162,979,250.98/5,731,549.92 - Step 6: Final answer
x = 4,351,381.97
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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.