Finding the Fourth Proportional to 1,448,799.60, 2,174,629.68 and 1,087,714.56
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Solution
The fourth proportional to 1,448,799.60, 2,174,629.68 and 1,087,714.56 is: 1,632,645.65
Step by Step Solution
- Step 1: Write the proportion equation
1,448,799.60 : 2,174,629.68 = 1,087,714.56 : x - Step 2: Convert to fraction form
1,448,799.60/2,174,629.68 = 1,087,714.56/x - Step 3: Cross multiply
1,448,799.60x = 2,174,629.68 × 1,087,714.56 - Step 4: Simplify right side
1,448,799.60x = 2,365,376,365,544.14 - Step 5: Solve for x
x = 2,365,376,365,544.14/1,448,799.60 - Step 6: Final answer
x = 1,632,645.65
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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.