Finding the Fourth Proportional to 1,664,475.02, 2,296,974.75 and 939,474.80
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Solution
The fourth proportional to 1,664,475.02, 2,296,974.75 and 939,474.80 is: 1,296,474.79
Step by Step Solution
- Step 1: Write the proportion equation
1,664,475.02 : 2,296,974.75 = 939,474.80 : x - Step 2: Convert to fraction form
1,664,475.02/2,296,974.75 = 939,474.80/x - Step 3: Cross multiply
1,664,475.02x = 2,296,974.75 × 939,474.80 - Step 4: Simplify right side
1,664,475.02x = 2,157,949,893,861.30 - Step 5: Solve for x
x = 2,157,949,893,861.30/1,664,475.02 - Step 6: Final answer
x = 1,296,474.79
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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.