Finding the Fourth Proportional to 5,343,145.44, 7,373,521.83 and 2,895,815.88
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Solution
The fourth proportional to 5,343,145.44, 7,373,521.83 and 2,895,815.88 is: 3,996,215.68
Step by Step Solution
- Step 1: Write the proportion equation
5,343,145.44 : 7,373,521.83 = 2,895,815.88 : x - Step 2: Convert to fraction form
5,343,145.44/7,373,521.83 = 2,895,815.88/x - Step 3: Cross multiply
5,343,145.44x = 7,373,521.83 × 2,895,815.88 - Step 4: Simplify right side
5,343,145.44x = 21,352,361,606,840.66 - Step 5: Solve for x
x = 21,352,361,606,840.66/5,343,145.44 - Step 6: Final answer
x = 3,996,215.68
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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.