Finding the Fourth Proportional to 2,075,605.12, 2,864,330.34 and 1,170,180.64
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Solution
The fourth proportional to 2,075,605.12, 2,864,330.34 and 1,170,180.64 is: 1,614,846.62
Step by Step Solution
- Step 1: Write the proportion equation
2,075,605.12 : 2,864,330.34 = 1,170,180.64 : x - Step 2: Convert to fraction form
2,075,605.12/2,864,330.34 = 1,170,180.64/x - Step 3: Cross multiply
2,075,605.12x = 2,864,330.34 × 1,170,180.64 - Step 4: Simplify right side
2,075,605.12x = 3,351,783,910,432.62 - Step 5: Solve for x
x = 3,351,783,910,432.62/2,075,605.12 - Step 6: Final answer
x = 1,614,846.62
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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.