Finding the Fourth Proportional to 1,388,937.74, 2,093,816.96 and 1,296,350.75
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Solution
The fourth proportional to 1,388,937.74, 2,093,816.96 and 1,296,350.75 is: 1,954,242.52
Step by Step Solution
- Step 1: Write the proportion equation
1,388,937.74 : 2,093,816.96 = 1,296,350.75 : x - Step 2: Convert to fraction form
1,388,937.74/2,093,816.96 = 1,296,350.75/x - Step 3: Cross multiply
1,388,937.74x = 2,093,816.96 × 1,296,350.75 - Step 4: Simplify right side
1,388,937.74x = 2,714,321,179,230.51 - Step 5: Solve for x
x = 2,714,321,179,230.51/1,388,937.74 - Step 6: Final answer
x = 1,954,242.52
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.