Finding the Fourth Proportional to 1,632,931.38, 2,449,581.39 and 686,125.62
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Solution
The fourth proportional to 1,632,931.38, 2,449,581.39 and 686,125.62 is: 1,029,265.88
Step by Step Solution
- Step 1: Write the proportion equation
1,632,931.38 : 2,449,581.39 = 686,125.62 : x - Step 2: Convert to fraction form
1,632,931.38/2,449,581.39 = 686,125.62/x - Step 3: Cross multiply
1,632,931.38x = 2,449,581.39 × 686,125.62 - Step 4: Simplify right side
1,632,931.38x = 1,680,720,549,954.21 - Step 5: Solve for x
x = 1,680,720,549,954.21/1,632,931.38 - Step 6: Final answer
x = 1,029,265.88
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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.