Finding the Fourth Proportional to 1,449,791.37, 2,174,954.56 and 477,210.60
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Solution
The fourth proportional to 1,449,791.37, 2,174,954.56 and 477,210.60 is: 715,903.95
Step by Step Solution
- Step 1: Write the proportion equation
1,449,791.37 : 2,174,954.56 = 477,210.60 : x - Step 2: Convert to fraction form
1,449,791.37/2,174,954.56 = 477,210.60/x - Step 3: Cross multiply
1,449,791.37x = 2,174,954.56 × 477,210.60 - Step 4: Simplify right side
1,449,791.37x = 1,037,911,369,357.31 - Step 5: Solve for x
x = 1,037,911,369,357.31/1,449,791.37 - Step 6: Final answer
x = 715,903.95
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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.