Finding the Fourth Proportional to 3,952,977.32, 5,454,882.14 and 2,186,770.08
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Solution
The fourth proportional to 3,952,977.32, 5,454,882.14 and 2,186,770.08 is: 3,017,617.38
Step by Step Solution
- Step 1: Write the proportion equation
3,952,977.32 : 5,454,882.14 = 2,186,770.08 : x - Step 2: Convert to fraction form
3,952,977.32/5,454,882.14 = 2,186,770.08/x - Step 3: Cross multiply
3,952,977.32x = 5,454,882.14 × 2,186,770.08 - Step 4: Simplify right side
3,952,977.32x = 11,928,573,053,678.37 - Step 5: Solve for x
x = 11,928,573,053,678.37/3,952,977.32 - Step 6: Final answer
x = 3,017,617.38
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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.