Finding the Fourth Proportional to 3,830,737.44, 5,286,453.84 and 2,111,919.48
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Solution
The fourth proportional to 3,830,737.44, 5,286,453.84 and 2,111,919.48 is: 2,914,468.82
Step by Step Solution
- Step 1: Write the proportion equation
3,830,737.44 : 5,286,453.84 = 2,111,919.48 : x - Step 2: Convert to fraction form
3,830,737.44/5,286,453.84 = 2,111,919.48/x - Step 3: Cross multiply
3,830,737.44x = 5,286,453.84 × 2,111,919.48 - Step 4: Simplify right side
3,830,737.44x = 11,164,564,844,816.80 - Step 5: Solve for x
x = 11,164,564,844,816.80/3,830,737.44 - Step 6: Final answer
x = 2,914,468.82
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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.