Finding the Fourth Proportional to 2,117,249.85, 3,174,089.53 and 918,269.13
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Solution
The fourth proportional to 2,117,249.85, 3,174,089.53 and 918,269.13 is: 1,376,629.42
Step by Step Solution
- Step 1: Write the proportion equation
2,117,249.85 : 3,174,089.53 = 918,269.13 : x - Step 2: Convert to fraction form
2,117,249.85/3,174,089.53 = 918,269.13/x - Step 3: Cross multiply
2,117,249.85x = 3,174,089.53 × 918,269.13 - Step 4: Simplify right side
2,117,249.85x = 2,914,668,431,255.21 - Step 5: Solve for x
x = 2,914,668,431,255.21/2,117,249.85 - Step 6: Final answer
x = 1,376,629.42
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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.