Finding the Fourth Proportional to 4,217,771.36, 6,327,658.20 and 1,377,878.96
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Solution
The fourth proportional to 4,217,771.36, 6,327,658.20 and 1,377,878.96 is: 2,067,145.50
Step by Step Solution
- Step 1: Write the proportion equation
4,217,771.36 : 6,327,658.20 = 1,377,878.96 : x - Step 2: Convert to fraction form
4,217,771.36/6,327,658.20 = 1,377,878.96/x - Step 3: Cross multiply
4,217,771.36x = 6,327,658.20 × 1,377,878.96 - Step 4: Simplify right side
4,217,771.36x = 8,718,747,099,851.47 - Step 5: Solve for x
x = 8,718,747,099,851.47/4,217,771.36 - Step 6: Final answer
x = 2,067,145.50
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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.