Finding the Fourth Proportional to 3,643,920.40, 5,469,197.24 and 1,939,494.48
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Solution
The fourth proportional to 3,643,920.40, 5,469,197.24 and 1,939,494.48 is: 2,911,007.02
Step by Step Solution
- Step 1: Write the proportion equation
3,643,920.40 : 5,469,197.24 = 1,939,494.48 : x - Step 2: Convert to fraction form
3,643,920.40/5,469,197.24 = 1,939,494.48/x - Step 3: Cross multiply
3,643,920.40x = 5,469,197.24 × 1,939,494.48 - Step 4: Simplify right side
3,643,920.40x = 10,607,477,857,011.24 - Step 5: Solve for x
x = 10,607,477,857,011.24/3,643,920.40 - Step 6: Final answer
x = 2,911,007.02
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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.