Finding the Fourth Proportional to 4,455,293.21, 6,147,250.84 and 2,521,553.74
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Solution
The fourth proportional to 4,455,293.21, 6,147,250.84 and 2,521,553.74 is: 3,479,147.74
Step by Step Solution
- Step 1: Write the proportion equation
4,455,293.21 : 6,147,250.84 = 2,521,553.74 : x - Step 2: Convert to fraction form
4,455,293.21/6,147,250.84 = 2,521,553.74/x - Step 3: Cross multiply
4,455,293.21x = 6,147,250.84 × 2,521,553.74 - Step 4: Simplify right side
4,455,293.21x = 15,500,623,324,648.13 - Step 5: Solve for x
x = 15,500,623,324,648.13/4,455,293.21 - Step 6: Final answer
x = 3,479,147.74
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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.