Finding the Fourth Proportional to 3,027,716.42, 4,178,349.56 and 1,651,135.46
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Solution
The fourth proportional to 3,027,716.42, 4,178,349.56 and 1,651,135.46 is: 2,278,621.96
Step by Step Solution
- Step 1: Write the proportion equation
3,027,716.42 : 4,178,349.56 = 1,651,135.46 : x - Step 2: Convert to fraction form
3,027,716.42/4,178,349.56 = 1,651,135.46/x - Step 3: Cross multiply
3,027,716.42x = 4,178,349.56 × 1,651,135.46 - Step 4: Simplify right side
3,027,716.42x = 6,899,021,106,027.49 - Step 5: Solve for x
x = 6,899,021,106,027.49/3,027,716.42 - Step 6: Final answer
x = 2,278,621.96
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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.