Finding the Fourth Proportional to 3,975,733.53, 5,486,742.90 and 2,993,914.71
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Solution
The fourth proportional to 3,975,733.53, 5,486,742.90 and 2,993,914.71 is: 4,131,775.97
Step by Step Solution
- Step 1: Write the proportion equation
3,975,733.53 : 5,486,742.90 = 2,993,914.71 : x - Step 2: Convert to fraction form
3,975,733.53/5,486,742.90 = 2,993,914.71/x - Step 3: Cross multiply
3,975,733.53x = 5,486,742.90 × 2,993,914.71 - Step 4: Simplify right side
3,975,733.53x = 16,426,840,278,298.06 - Step 5: Solve for x
x = 16,426,840,278,298.06/3,975,733.53 - Step 6: Final answer
x = 4,131,775.97
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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.