Finding the Fourth Proportional to 4,431,382.25, 6,115,301.57 and 2,394,191.75
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Solution
The fourth proportional to 4,431,382.25, 6,115,301.57 and 2,394,191.75 is: 3,303,981.41
Step by Step Solution
- Step 1: Write the proportion equation
4,431,382.25 : 6,115,301.57 = 2,394,191.75 : x - Step 2: Convert to fraction form
4,431,382.25/6,115,301.57 = 2,394,191.75/x - Step 3: Cross multiply
4,431,382.25x = 6,115,301.57 × 2,394,191.75 - Step 4: Simplify right side
4,431,382.25x = 14,641,204,543,065.02 - Step 5: Solve for x
x = 14,641,204,543,065.02/4,431,382.25 - Step 6: Final answer
x = 3,303,981.41
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1.5x scale
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.