Finding the Fourth Proportional to 3,813,711.84, 5,261,618.79 and 2,181,524.58
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Solution
The fourth proportional to 3,813,711.84, 5,261,618.79 and 2,181,524.58 is: 3,009,758.26
Step by Step Solution
- Step 1: Write the proportion equation
3,813,711.84 : 5,261,618.79 = 2,181,524.58 : x - Step 2: Convert to fraction form
3,813,711.84/5,261,618.79 = 2,181,524.58/x - Step 3: Cross multiply
3,813,711.84x = 5,261,618.79 × 2,181,524.58 - Step 4: Simplify right side
3,813,711.84x = 11,478,350,720,974.86 - Step 5: Solve for x
x = 11,478,350,720,974.86/3,813,711.84 - Step 6: Final answer
x = 3,009,758.26
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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.