Finding the Fourth Proportional to 1,474,725.40, 2,212,088.10 and 1,325,134.60
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Solution
The fourth proportional to 1,474,725.40, 2,212,088.10 and 1,325,134.60 is: 1,987,701.90
Step by Step Solution
- Step 1: Write the proportion equation
1,474,725.40 : 2,212,088.10 = 1,325,134.60 : x - Step 2: Convert to fraction form
1,474,725.40/2,212,088.10 = 1,325,134.60/x - Step 3: Cross multiply
1,474,725.40x = 2,212,088.10 × 1,325,134.60 - Step 4: Simplify right side
1,474,725.40x = 2,931,314,479,558.26 - Step 5: Solve for x
x = 2,931,314,479,558.26/1,474,725.40 - Step 6: Final answer
x = 1,987,701.90
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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.