Finding the Fourth Proportional to 2,125,378.53, 3,188,082.15 and 776,986.44
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Solution
The fourth proportional to 2,125,378.53, 3,188,082.15 and 776,986.44 is: 1,165,484.91
Step by Step Solution
- Step 1: Write the proportion equation
2,125,378.53 : 3,188,082.15 = 776,986.44 : x - Step 2: Convert to fraction form
2,125,378.53/3,188,082.15 = 776,986.44/x - Step 3: Cross multiply
2,125,378.53x = 3,188,082.15 × 776,986.44 - Step 4: Simplify right side
2,125,378.53x = 2,477,096,600,156.05 - Step 5: Solve for x
x = 2,477,096,600,156.05/2,125,378.53 - Step 6: Final answer
x = 1,165,484.91
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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.