Finding the Fourth Proportional to 2,156,571.14, 3,234,302.66 and 639,895.28
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Solution
The fourth proportional to 2,156,571.14, 3,234,302.66 and 639,895.28 is: 959,678.52
Step by Step Solution
- Step 1: Write the proportion equation
2,156,571.14 : 3,234,302.66 = 639,895.28 : x - Step 2: Convert to fraction form
2,156,571.14/3,234,302.66 = 639,895.28/x - Step 3: Cross multiply
2,156,571.14x = 3,234,302.66 × 639,895.28 - Step 4: Simplify right side
2,156,571.14x = 2,069,614,991,653.67 - Step 5: Solve for x
x = 2,069,614,991,653.67/2,156,571.14 - Step 6: Final answer
x = 959,678.52
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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.