Finding the Fourth Proportional to 5,754,070.80, 7,940,578.58 and 3,175,751.49
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Solution
The fourth proportional to 5,754,070.80, 7,940,578.58 and 3,175,751.49 is: 4,382,515.46
Step by Step Solution
- Step 1: Write the proportion equation
5,754,070.80 : 7,940,578.58 = 3,175,751.49 : x - Step 2: Convert to fraction form
5,754,070.80/7,940,578.58 = 3,175,751.49/x - Step 3: Cross multiply
5,754,070.80x = 7,940,578.58 × 3,175,751.49 - Step 4: Simplify right side
5,754,070.80x = 25,217,304,241,018.33 - Step 5: Solve for x
x = 25,217,304,241,018.33/5,754,070.80 - Step 6: Final answer
x = 4,382,515.46
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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.