Finding the Fourth Proportional to 1,438,217.44, 2,156,765.48 and 539,168.62
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Solution
The fourth proportional to 1,438,217.44, 2,156,765.48 and 539,168.62 is: 808,542.74
Step by Step Solution
- Step 1: Write the proportion equation
1,438,217.44 : 2,156,765.48 = 539,168.62 : x - Step 2: Convert to fraction form
1,438,217.44/2,156,765.48 = 539,168.62/x - Step 3: Cross multiply
1,438,217.44x = 2,156,765.48 × 539,168.62 - Step 4: Simplify right side
1,438,217.44x = 1,162,860,267,515.24 - Step 5: Solve for x
x = 1,162,860,267,515.24/1,438,217.44 - Step 6: Final answer
x = 808,542.74
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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.