Finding the Fourth Proportional to 5,070,872.97, 6,997,995.41 and 2,895,434.91
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Solution
The fourth proportional to 5,070,872.97, 6,997,995.41 and 2,895,434.91 is: 3,995,809.07
Step by Step Solution
- Step 1: Write the proportion equation
5,070,872.97 : 6,997,995.41 = 2,895,434.91 : x - Step 2: Convert to fraction form
5,070,872.97/6,997,995.41 = 2,895,434.91/x - Step 3: Cross multiply
5,070,872.97x = 6,997,995.41 × 2,895,434.91 - Step 4: Simplify right side
5,070,872.97x = 20,262,240,195,656.59 - Step 5: Solve for x
x = 20,262,240,195,656.59/5,070,872.97 - Step 6: Final answer
x = 3,995,809.07
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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.