Finding the Fourth Proportional to 5,754,071.79, 7,940,579.96 and 3,175,752.49
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Solution
The fourth proportional to 5,754,071.79, 7,940,579.96 and 3,175,752.49 is: 4,382,516.85
Step by Step Solution
- Step 1: Write the proportion equation
5,754,071.79 : 7,940,579.96 = 3,175,752.49 : x - Step 2: Convert to fraction form
5,754,071.79/7,940,579.96 = 3,175,752.49/x - Step 3: Cross multiply
5,754,071.79x = 7,940,579.96 × 3,175,752.49 - Step 4: Simplify right side
5,754,071.79x = 25,217,316,580,014.10 - Step 5: Solve for x
x = 25,217,316,580,014.10/5,754,071.79 - Step 6: Final answer
x = 4,382,516.85
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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.