Finding the Fourth Proportional to 2,800,801.80, 4,201,202.70 and 1,383,625.80
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Solution
The fourth proportional to 2,800,801.80, 4,201,202.70 and 1,383,625.80 is: 2,075,438.70
Step by Step Solution
- Step 1: Write the proportion equation
2,800,801.80 : 4,201,202.70 = 1,383,625.80 : x - Step 2: Convert to fraction form
2,800,801.80/4,201,202.70 = 1,383,625.80/x - Step 3: Cross multiply
2,800,801.80x = 4,201,202.70 × 1,383,625.80 - Step 4: Simplify right side
2,800,801.80x = 5,812,892,446,749.66 - Step 5: Solve for x
x = 5,812,892,446,749.66/2,800,801.80 - Step 6: Final answer
x = 2,075,438.70
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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.