Finding the Fourth Proportional to 3,757,341.87, 5,185,388.61 and 2,125,748.88
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Solution
The fourth proportional to 3,757,341.87, 5,185,388.61 and 2,125,748.88 is: 2,933,678.76
Step by Step Solution
- Step 1: Write the proportion equation
3,757,341.87 : 5,185,388.61 = 2,125,748.88 : x - Step 2: Convert to fraction form
3,757,341.87/5,185,388.61 = 2,125,748.88/x - Step 3: Cross multiply
3,757,341.87x = 5,185,388.61 × 2,125,748.88 - Step 4: Simplify right side
3,757,341.87x = 11,022,834,030,072.26 - Step 5: Solve for x
x = 11,022,834,030,072.26/3,757,341.87 - Step 6: Final answer
x = 2,933,678.76
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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.