Finding the Fourth Proportional to 4,527,742.49, 6,247,716.95 and 3,060,842.82
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Solution
The fourth proportional to 4,527,742.49, 6,247,716.95 and 3,060,842.82 is: 4,223,579.32
Step by Step Solution
- Step 1: Write the proportion equation
4,527,742.49 : 6,247,716.95 = 3,060,842.82 : x - Step 2: Convert to fraction form
4,527,742.49/6,247,716.95 = 3,060,842.82/x - Step 3: Cross multiply
4,527,742.49x = 6,247,716.95 × 3,060,842.82 - Step 4: Simplify right side
4,527,742.49x = 19,123,279,567,799.80 - Step 5: Solve for x
x = 19,123,279,567,799.80/4,527,742.49 - Step 6: Final answer
x = 4,223,579.32
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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.