Finding the Fourth Proportional to 5,440,276.20, 8,160,414.30 and 3,275,437.80
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Solution
The fourth proportional to 5,440,276.20, 8,160,414.30 and 3,275,437.80 is: 4,913,156.70
Step by Step Solution
- Step 1: Write the proportion equation
5,440,276.20 : 8,160,414.30 = 3,275,437.80 : x - Step 2: Convert to fraction form
5,440,276.20/8,160,414.30 = 3,275,437.80/x - Step 3: Cross multiply
5,440,276.20x = 8,160,414.30 × 3,275,437.80 - Step 4: Simplify right side
5,440,276.20x = 26,728,929,461,880.54 - Step 5: Solve for x
x = 26,728,929,461,880.54/5,440,276.20 - Step 6: Final answer
x = 4,913,156.70
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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.