Finding the Fourth Proportional to 3,045,877.56, 4,202,778.12 and 1,738,532.70
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Solution
The fourth proportional to 3,045,877.56, 4,202,778.12 and 1,738,532.70 is: 2,398,870.95
Step by Step Solution
- Step 1: Write the proportion equation
3,045,877.56 : 4,202,778.12 = 1,738,532.70 : x - Step 2: Convert to fraction form
3,045,877.56/4,202,778.12 = 1,738,532.70/x - Step 3: Cross multiply
3,045,877.56x = 4,202,778.12 × 1,738,532.70 - Step 4: Simplify right side
3,045,877.56x = 7,306,667,192,464.53 - Step 5: Solve for x
x = 7,306,667,192,464.53/3,045,877.56 - Step 6: Final answer
x = 2,398,870.95
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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.