Finding the Fourth Proportional to 2,672,711.91, 3,688,367.79 and 1,449,014.26
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Solution
The fourth proportional to 2,672,711.91, 3,688,367.79 and 1,449,014.26 is: 1,999,653.42
Step by Step Solution
- Step 1: Write the proportion equation
2,672,711.91 : 3,688,367.79 = 1,449,014.26 : x - Step 2: Convert to fraction form
2,672,711.91/3,688,367.79 = 1,449,014.26/x - Step 3: Cross multiply
2,672,711.91x = 3,688,367.79 × 1,449,014.26 - Step 4: Simplify right side
2,672,711.91x = 5,344,497,523,834.69 - Step 5: Solve for x
x = 5,344,497,523,834.69/2,672,711.91 - Step 6: Final answer
x = 1,999,653.42
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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.