Finding the Fourth Proportional to 5,199,079.20, 7,174,104.12 and 2,994,658.97
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Solution
The fourth proportional to 5,199,079.20, 7,174,104.12 and 2,994,658.97 is: 4,132,269.27
Step by Step Solution
- Step 1: Write the proportion equation
5,199,079.20 : 7,174,104.12 = 2,994,658.97 : x - Step 2: Convert to fraction form
5,199,079.20/7,174,104.12 = 2,994,658.97/x - Step 3: Cross multiply
5,199,079.20x = 7,174,104.12 × 2,994,658.97 - Step 4: Simplify right side
5,199,079.20x = 21,483,995,218,801.43 - Step 5: Solve for x
x = 21,483,995,218,801.43/5,199,079.20 - Step 6: Final answer
x = 4,132,269.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.