Finding the Fourth Proportional to 3,477,629.20, 5,216,381.53 and 1,427,844.66
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Solution
The fourth proportional to 3,477,629.20, 5,216,381.53 and 1,427,844.66 is: 2,141,741.42
Step by Step Solution
- Step 1: Write the proportion equation
3,477,629.20 : 5,216,381.53 = 1,427,844.66 : x - Step 2: Convert to fraction form
3,477,629.20/5,216,381.53 = 1,427,844.66/x - Step 3: Cross multiply
3,477,629.20x = 5,216,381.53 × 1,427,844.66 - Step 4: Simplify right side
3,477,629.20x = 7,448,182,512,133.13 - Step 5: Solve for x
x = 7,448,182,512,133.13/3,477,629.20 - Step 6: Final answer
x = 2,141,741.42
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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.