Finding the Fourth Proportional to 3,758,832.84, 5,187,207.79 and 2,039,955.33
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Solution
The fourth proportional to 3,758,832.84, 5,187,207.79 and 2,039,955.33 is: 2,815,148.38
Step by Step Solution
- Step 1: Write the proportion equation
3,758,832.84 : 5,187,207.79 = 2,039,955.33 : x - Step 2: Convert to fraction form
3,758,832.84/5,187,207.79 = 2,039,955.33/x - Step 3: Cross multiply
3,758,832.84x = 5,187,207.79 × 2,039,955.33 - Step 4: Simplify right side
3,758,832.84x = 10,581,672,168,828.24 - Step 5: Solve for x
x = 10,581,672,168,828.24/3,758,832.84 - Step 6: Final answer
x = 2,815,148.38
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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.