Finding the Fourth Proportional to 2,493,728.28, 3,441,276.12 and 1,405,990.44
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Solution
The fourth proportional to 2,493,728.28, 3,441,276.12 and 1,405,990.44 is: 1,940,227.96
Step by Step Solution
- Step 1: Write the proportion equation
2,493,728.28 : 3,441,276.12 = 1,405,990.44 : x - Step 2: Convert to fraction form
2,493,728.28/3,441,276.12 = 1,405,990.44/x - Step 3: Cross multiply
2,493,728.28x = 3,441,276.12 × 1,405,990.44 - Step 4: Simplify right side
2,493,728.28x = 4,838,401,326,120.29 - Step 5: Solve for x
x = 4,838,401,326,120.29/2,493,728.28 - Step 6: Final answer
x = 1,940,227.96
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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.