Finding the Fourth Proportional to 5,252,751.15, 7,248,907.50 and 2,960,911.23
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Solution
The fourth proportional to 5,252,751.15, 7,248,907.50 and 2,960,911.23 is: 4,086,120.02
Step by Step Solution
- Step 1: Write the proportion equation
5,252,751.15 : 7,248,907.50 = 2,960,911.23 : x - Step 2: Convert to fraction form
5,252,751.15/7,248,907.50 = 2,960,911.23/x - Step 3: Cross multiply
5,252,751.15x = 7,248,907.50 × 2,960,911.23 - Step 4: Simplify right side
5,252,751.15x = 21,463,371,621,981.23 - Step 5: Solve for x
x = 21,463,371,621,981.23/5,252,751.15 - Step 6: Final answer
x = 4,086,120.02
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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.