Finding the Fourth Proportional to 1,414,487.58, 2,122,144.74 and 454,921.62
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Solution
The fourth proportional to 1,414,487.58, 2,122,144.74 and 454,921.62 is: 682,515.38
Step by Step Solution
- Step 1: Write the proportion equation
1,414,487.58 : 2,122,144.74 = 454,921.62 : x - Step 2: Convert to fraction form
1,414,487.58/2,122,144.74 = 454,921.62/x - Step 3: Cross multiply
1,414,487.58x = 2,122,144.74 × 454,921.62 - Step 4: Simplify right side
1,414,487.58x = 965,409,522,995.28 - Step 5: Solve for x
x = 965,409,522,995.28/1,414,487.58 - Step 6: Final answer
x = 682,515.38
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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.