Finding the Fourth Proportional to 2,102,110.44, 2,900,912.28 and 1,135,240.62
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Solution
The fourth proportional to 2,102,110.44, 2,900,912.28 and 1,135,240.62 is: 1,566,631.99
Step by Step Solution
- Step 1: Write the proportion equation
2,102,110.44 : 2,900,912.28 = 1,135,240.62 : x - Step 2: Convert to fraction form
2,102,110.44/2,900,912.28 = 1,135,240.62/x - Step 3: Cross multiply
2,102,110.44x = 2,900,912.28 × 1,135,240.62 - Step 4: Simplify right side
2,102,110.44x = 3,293,233,455,312.81 - Step 5: Solve for x
x = 3,293,233,455,312.81/2,102,110.44 - Step 6: Final answer
x = 1,566,631.99
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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.