Finding the Fourth Proportional to 3,895,232, 5,375,698.33 and 2,152,863.95
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Solution
The fourth proportional to 3,895,232, 5,375,698.33 and 2,152,863.95 is: 2,971,105.99
Step by Step Solution
- Step 1: Write the proportion equation
3,895,232 : 5,375,698.33 = 2,152,863.95 : x - Step 2: Convert to fraction form
3,895,232/5,375,698.33 = 2,152,863.95/x - Step 3: Cross multiply
3,895,232x = 5,375,698.33 × 2,152,863.95 - Step 4: Simplify right side
3,895,232x = 11,573,147,140,732.21 - Step 5: Solve for x
x = 11,573,147,140,732.21/3,895,232 - Step 6: Final answer
x = 2,971,105.99
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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.