Finding the Fourth Proportional to 2,811,362.88, 3,879,682.61 and 1,522,204.14
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Solution
The fourth proportional to 2,811,362.88, 3,879,682.61 and 1,522,204.14 is: 2,100,642.70
Step by Step Solution
- Step 1: Write the proportion equation
2,811,362.88 : 3,879,682.61 = 1,522,204.14 : x - Step 2: Convert to fraction form
2,811,362.88/3,879,682.61 = 1,522,204.14/x - Step 3: Cross multiply
2,811,362.88x = 3,879,682.61 × 1,522,204.14 - Step 4: Simplify right side
2,811,362.88x = 5,905,668,923,216.99 - Step 5: Solve for x
x = 5,905,668,923,216.99/2,811,362.88 - Step 6: Final answer
x = 2,100,642.70
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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.