Finding the Fourth Proportional to 4,527,742.12, 6,247,716.44 and 3,060,842.45
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Solution
The fourth proportional to 4,527,742.12, 6,247,716.44 and 3,060,842.45 is: 4,223,578.81
Step by Step Solution
- Step 1: Write the proportion equation
4,527,742.12 : 6,247,716.44 = 3,060,842.45 : x - Step 2: Convert to fraction form
4,527,742.12/6,247,716.44 = 3,060,842.45/x - Step 3: Cross multiply
4,527,742.12x = 6,247,716.44 × 3,060,842.45 - Step 4: Simplify right side
4,527,742.12x = 19,123,275,648,572.08 - Step 5: Solve for x
x = 19,123,275,648,572.08/4,527,742.12 - Step 6: Final answer
x = 4,223,578.81
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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.