Finding the Fourth Proportional to 2,767,920.71, 4,153,520.74 and 1,170,396.23
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Solution
The fourth proportional to 2,767,920.71, 4,153,520.74 and 1,170,396.23 is: 1,756,287.66
Step by Step Solution
- Step 1: Write the proportion equation
2,767,920.71 : 4,153,520.74 = 1,170,396.23 : x - Step 2: Convert to fraction form
2,767,920.71/4,153,520.74 = 1,170,396.23/x - Step 3: Cross multiply
2,767,920.71x = 4,153,520.74 × 1,170,396.23 - Step 4: Simplify right side
2,767,920.71x = 4,861,264,991,629.22 - Step 5: Solve for x
x = 4,861,264,991,629.22/2,767,920.71 - Step 6: Final answer
x = 1,756,287.66
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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.