Finding the Fourth Proportional to 2,784,475.15, 4,176,716.05 and 762,736.49
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Solution
The fourth proportional to 2,784,475.15, 4,176,716.05 and 762,736.49 is: 1,144,105.65
Step by Step Solution
- Step 1: Write the proportion equation
2,784,475.15 : 4,176,716.05 = 762,736.49 : x - Step 2: Convert to fraction form
2,784,475.15/4,176,716.05 = 762,736.49/x - Step 3: Cross multiply
2,784,475.15x = 4,176,716.05 × 762,736.49 - Step 4: Simplify right side
2,784,475.15x = 3,185,733,739,703.66 - Step 5: Solve for x
x = 3,185,733,739,703.66/2,784,475.15 - Step 6: Final answer
x = 1,144,105.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.