Finding the Fourth Proportional to 3,818,452.16, 5,726,872.64 and 1,122,045.12
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Solution
The fourth proportional to 3,818,452.16, 5,726,872.64 and 1,122,045.12 is: 1,682,830.96
Step by Step Solution
- Step 1: Write the proportion equation
3,818,452.16 : 5,726,872.64 = 1,122,045.12 : x - Step 2: Convert to fraction form
3,818,452.16/5,726,872.64 = 1,122,045.12/x - Step 3: Cross multiply
3,818,452.16x = 5,726,872.64 × 1,122,045.12 - Step 4: Simplify right side
3,818,452.16x = 6,425,809,498,573.52 - Step 5: Solve for x
x = 6,425,809,498,573.52/3,818,452.16 - Step 6: Final answer
x = 1,682,830.96
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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.