Finding the Fourth Proportional to 2,969,287.70, 4,457,081.04 and 2,629,934.09
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Solution
The fourth proportional to 2,969,287.70, 4,457,081.04 and 2,629,934.09 is: 3,947,690.68
Step by Step Solution
- Step 1: Write the proportion equation
2,969,287.70 : 4,457,081.04 = 2,629,934.09 : x - Step 2: Convert to fraction form
2,969,287.70/4,457,081.04 = 2,629,934.09/x - Step 3: Cross multiply
2,969,287.70x = 4,457,081.04 × 2,629,934.09 - Step 4: Simplify right side
2,969,287.70x = 11,721,829,368,988.65 - Step 5: Solve for x
x = 11,721,829,368,988.65/2,969,287.70 - Step 6: Final answer
x = 3,947,690.68
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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.