Finding the Fourth Proportional to 1,545,512.04, 2,318,005.62 and 408,286.62
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Solution
The fourth proportional to 1,545,512.04, 2,318,005.62 and 408,286.62 is: 612,360.60
Step by Step Solution
- Step 1: Write the proportion equation
1,545,512.04 : 2,318,005.62 = 408,286.62 : x - Step 2: Convert to fraction form
1,545,512.04/2,318,005.62 = 408,286.62/x - Step 3: Cross multiply
1,545,512.04x = 2,318,005.62 × 408,286.62 - Step 4: Simplify right side
1,545,512.04x = 946,410,679,730.81 - Step 5: Solve for x
x = 946,410,679,730.81/1,545,512.04 - Step 6: Final answer
x = 612,360.60
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1.5x scale
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.