Finding the Fourth Proportional to 1,675,378.75, 2,512,652.92 and 477,311.44
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Solution
The fourth proportional to 1,675,378.75, 2,512,652.92 and 477,311.44 is: 715,848.87
Step by Step Solution
- Step 1: Write the proportion equation
1,675,378.75 : 2,512,652.92 = 477,311.44 : x - Step 2: Convert to fraction form
1,675,378.75/2,512,652.92 = 477,311.44/x - Step 3: Cross multiply
1,675,378.75x = 2,512,652.92 × 477,311.44 - Step 4: Simplify right side
1,675,378.75x = 1,199,317,983,465.40 - Step 5: Solve for x
x = 1,199,317,983,465.40/1,675,378.75 - Step 6: Final answer
x = 715,848.87
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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.