Finding the Fourth Proportional to 5,905,114.79, 8,149,231.10 and 3,457,496.81
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Solution
The fourth proportional to 5,905,114.79, 8,149,231.10 and 3,457,496.81 is: 4,771,446.72
Step by Step Solution
- Step 1: Write the proportion equation
5,905,114.79 : 8,149,231.10 = 3,457,496.81 : x - Step 2: Convert to fraction form
5,905,114.79/8,149,231.10 = 3,457,496.81/x - Step 3: Cross multiply
5,905,114.79x = 8,149,231.10 × 3,457,496.81 - Step 4: Simplify right side
5,905,114.79x = 28,175,940,561,219.61 - Step 5: Solve for x
x = 28,175,940,561,219.61/5,905,114.79 - Step 6: Final answer
x = 4,771,446.72
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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.