Finding the Fourth Proportional to 3,651,571.52, 5,477,855.70 and 1,521,157.31
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Solution
The fourth proportional to 3,651,571.52, 5,477,855.70 and 1,521,157.31 is: 2,281,943.59
Step by Step Solution
- Step 1: Write the proportion equation
3,651,571.52 : 5,477,855.70 = 1,521,157.31 : x - Step 2: Convert to fraction form
3,651,571.52/5,477,855.70 = 1,521,157.31/x - Step 3: Cross multiply
3,651,571.52x = 5,477,855.70 × 1,521,157.31 - Step 4: Simplify right side
3,651,571.52x = 8,332,680,241,180.17 - Step 5: Solve for x
x = 8,332,680,241,180.17/3,651,571.52 - Step 6: Final answer
x = 2,281,943.59
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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.