Finding the Fourth Proportional to 7,187,545.20, 10,777,721.36 and 2,393,563.44
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Solution
The fourth proportional to 7,187,545.20, 10,777,721.36 and 2,393,563.44 is: 3,589,147.49
Step by Step Solution
- Step 1: Write the proportion equation
7,187,545.20 : 10,777,721.36 = 2,393,563.44 : x - Step 2: Convert to fraction form
7,187,545.20/10,777,721.36 = 2,393,563.44/x - Step 3: Cross multiply
7,187,545.20x = 10,777,721.36 × 2,393,563.44 - Step 4: Simplify right side
7,187,545.20x = 25,797,159,813,803.08 - Step 5: Solve for x
x = 25,797,159,813,803.08/7,187,545.20 - Step 6: Final answer
x = 3,589,147.49
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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.