Finding the Fourth Proportional to 3,638,227.06, 5,457,344.90 and 1,113,869.62
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Solution
The fourth proportional to 3,638,227.06, 5,457,344.90 and 1,113,869.62 is: 1,670,805.75
Step by Step Solution
- Step 1: Write the proportion equation
3,638,227.06 : 5,457,344.90 = 1,113,869.62 : x - Step 2: Convert to fraction form
3,638,227.06/5,457,344.90 = 1,113,869.62/x - Step 3: Cross multiply
3,638,227.06x = 5,457,344.90 × 1,113,869.62 - Step 4: Simplify right side
3,638,227.06x = 6,078,770,689,971.94 - Step 5: Solve for x
x = 6,078,770,689,971.94/3,638,227.06 - Step 6: Final answer
x = 1,670,805.75
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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.