Finding the Fourth Proportional to 1,543,658.99, 2,315,278.28 and 406,325.94
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Solution
The fourth proportional to 1,543,658.99, 2,315,278.28 and 406,325.94 is: 609,433.58
Step by Step Solution
- Step 1: Write the proportion equation
1,543,658.99 : 2,315,278.28 = 406,325.94 : x - Step 2: Convert to fraction form
1,543,658.99/2,315,278.28 = 406,325.94/x - Step 3: Cross multiply
1,543,658.99x = 2,315,278.28 × 406,325.94 - Step 4: Simplify right side
1,543,658.99x = 940,757,621,450.95 - Step 5: Solve for x
x = 940,757,621,450.95/1,543,658.99 - Step 6: Final answer
x = 609,433.58
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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.