Finding the Fourth Proportional to 2,986,194.75, 4,457,491.79 and 2,562,453.60
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Solution
The fourth proportional to 2,986,194.75, 4,457,491.79 and 2,562,453.60 is: 3,824,973.54
Step by Step Solution
- Step 1: Write the proportion equation
2,986,194.75 : 4,457,491.79 = 2,562,453.60 : x - Step 2: Convert to fraction form
2,986,194.75/4,457,491.79 = 2,562,453.60/x - Step 3: Cross multiply
2,986,194.75x = 4,457,491.79 × 2,562,453.60 - Step 4: Simplify right side
2,986,194.75x = 11,422,115,899,545.07 - Step 5: Solve for x
x = 11,422,115,899,545.07/2,986,194.75 - Step 6: Final answer
x = 3,824,973.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.