Finding the Fourth Proportional to 3,120,080, 4,680,120.08 and 756,176
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Solution
The fourth proportional to 3,120,080, 4,680,120.08 and 756,176 is: 1,134,264.02
Step by Step Solution
- Step 1: Write the proportion equation
3,120,080 : 4,680,120.08 = 756,176 : x - Step 2: Convert to fraction form
3,120,080/4,680,120.08 = 756,176/x - Step 3: Cross multiply
3,120,080x = 4,680,120.08 × 756,176 - Step 4: Simplify right side
3,120,080x = 3,538,994,481,614.08 - Step 5: Solve for x
x = 3,538,994,481,614.08/3,120,080 - Step 6: Final answer
x = 1,134,264.02
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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.