Finding the Fourth Proportional to 2,481,520.80, 3,722,281.20 and 1,631,215.20
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Solution
The fourth proportional to 2,481,520.80, 3,722,281.20 and 1,631,215.20 is: 2,446,822.80
Step by Step Solution
- Step 1: Write the proportion equation
2,481,520.80 : 3,722,281.20 = 1,631,215.20 : x - Step 2: Convert to fraction form
2,481,520.80/3,722,281.20 = 1,631,215.20/x - Step 3: Cross multiply
2,481,520.80x = 3,722,281.20 × 1,631,215.20 - Step 4: Simplify right side
2,481,520.80x = 6,071,841,672,114.24 - Step 5: Solve for x
x = 6,071,841,672,114.24/2,481,520.80 - Step 6: Final answer
x = 2,446,822.80
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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.