Finding the Fourth Proportional to 5,512,521.28, 8,268,243.11 and 1,674,377.02
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Solution
The fourth proportional to 5,512,521.28, 8,268,243.11 and 1,674,377.02 is: 2,511,401.87
Step by Step Solution
- Step 1: Write the proportion equation
5,512,521.28 : 8,268,243.11 = 1,674,377.02 : x - Step 2: Convert to fraction form
5,512,521.28/8,268,243.11 = 1,674,377.02/x - Step 3: Cross multiply
5,512,521.28x = 8,268,243.11 × 1,674,377.02 - Step 4: Simplify right side
5,512,521.28x = 13,844,156,263,867.57 - Step 5: Solve for x
x = 13,844,156,263,867.57/5,512,521.28 - Step 6: Final answer
x = 2,511,401.87
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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.