Finding the Fourth Proportional to 2,895,892.40, 4,345,912.20 and 1,214,202.80
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Solution
The fourth proportional to 2,895,892.40, 4,345,912.20 and 1,214,202.80 is: 1,822,173.63
Step by Step Solution
- Step 1: Write the proportion equation
2,895,892.40 : 4,345,912.20 = 1,214,202.80 : x - Step 2: Convert to fraction form
2,895,892.40/4,345,912.20 = 1,214,202.80/x - Step 3: Cross multiply
2,895,892.40x = 4,345,912.20 × 1,214,202.80 - Step 4: Simplify right side
2,895,892.40x = 5,276,818,761,794.16 - Step 5: Solve for x
x = 5,276,818,761,794.16/2,895,892.40 - Step 6: Final answer
x = 1,822,173.63
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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.