Finding the Fourth Proportional to 2,154,770.91, 3,232,205.58 and 638,425.38
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Solution
The fourth proportional to 2,154,770.91, 3,232,205.58 and 638,425.38 is: 957,652.65
Step by Step Solution
- Step 1: Write the proportion equation
2,154,770.91 : 3,232,205.58 = 638,425.38 : x - Step 2: Convert to fraction form
2,154,770.91/3,232,205.58 = 638,425.38/x - Step 3: Cross multiply
2,154,770.91x = 3,232,205.58 × 638,425.38 - Step 4: Simplify right side
2,154,770.91x = 2,063,522,075,649.62 - Step 5: Solve for x
x = 2,063,522,075,649.62/2,154,770.91 - Step 6: Final answer
x = 957,652.65
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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.