Finding the Fourth Proportional to 5,754,228.84, 7,940,819.40 and 3,175,891.10
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Solution
The fourth proportional to 5,754,228.84, 7,940,819.40 and 3,175,891.10 is: 4,382,720.67
Step by Step Solution
- Step 1: Write the proportion equation
5,754,228.84 : 7,940,819.40 = 3,175,891.10 : x - Step 2: Convert to fraction form
5,754,228.84/7,940,819.40 = 3,175,891.10/x - Step 3: Cross multiply
5,754,228.84x = 7,940,819.40 × 3,175,891.10 - Step 4: Simplify right side
5,754,228.84x = 25,219,177,659,167.34 - Step 5: Solve for x
x = 25,219,177,659,167.34/5,754,228.84 - Step 6: Final answer
x = 4,382,720.67
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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.