Finding the Fourth Proportional to 3,874,457.47, 5,811,450.93 and 1,445,142.43
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Solution
The fourth proportional to 3,874,457.47, 5,811,450.93 and 1,445,142.43 is: 2,167,625.89
Step by Step Solution
- Step 1: Write the proportion equation
3,874,457.47 : 5,811,450.93 = 1,445,142.43 : x - Step 2: Convert to fraction form
3,874,457.47/5,811,450.93 = 1,445,142.43/x - Step 3: Cross multiply
3,874,457.47x = 5,811,450.93 × 1,445,142.43 - Step 4: Simplify right side
3,874,457.47x = 8,398,374,318,805.96 - Step 5: Solve for x
x = 8,398,374,318,805.96/3,874,457.47 - Step 6: Final answer
x = 2,167,625.89
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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.