Finding the Fourth Proportional to 3,812,396.22, 5,260,963.11 and 2,070,027.95
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Solution
The fourth proportional to 3,812,396.22, 5,260,963.11 and 2,070,027.95 is: 2,856,560.56
Step by Step Solution
- Step 1: Write the proportion equation
3,812,396.22 : 5,260,963.11 = 2,070,027.95 : x - Step 2: Convert to fraction form
3,812,396.22/5,260,963.11 = 2,070,027.95/x - Step 3: Cross multiply
3,812,396.22x = 5,260,963.11 × 2,070,027.95 - Step 4: Simplify right side
3,812,396.22x = 10,890,340,688,788.33 - Step 5: Solve for x
x = 10,890,340,688,788.33/3,812,396.22 - Step 6: Final answer
x = 2,856,560.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.