Finding the Fourth Proportional to 4,970,905.80, 7,456,282.56 and 2,236,521.84
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Solution
The fourth proportional to 4,970,905.80, 7,456,282.56 and 2,236,521.84 is: 3,354,748.50
Step by Step Solution
- Step 1: Write the proportion equation
4,970,905.80 : 7,456,282.56 = 2,236,521.84 : x - Step 2: Convert to fraction form
4,970,905.80/7,456,282.56 = 2,236,521.84/x - Step 3: Cross multiply
4,970,905.80x = 7,456,282.56 × 2,236,521.84 - Step 4: Simplify right side
4,970,905.80x = 16,676,138,790,651.11 - Step 5: Solve for x
x = 16,676,138,790,651.11/4,970,905.80 - Step 6: Final answer
x = 3,354,748.50
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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.