Finding the Fourth Proportional to 5,412,103.49, 7,465,262.18 and 3,551,639.67
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Solution
The fourth proportional to 5,412,103.49, 7,465,262.18 and 3,551,639.67 is: 4,899,004.86
Step by Step Solution
- Step 1: Write the proportion equation
5,412,103.49 : 7,465,262.18 = 3,551,639.67 : x - Step 2: Convert to fraction form
5,412,103.49/7,465,262.18 = 3,551,639.67/x - Step 3: Cross multiply
5,412,103.49x = 7,465,262.18 × 3,551,639.67 - Step 4: Simplify right side
5,412,103.49x = 26,513,921,287,680.48 - Step 5: Solve for x
x = 26,513,921,287,680.48/5,412,103.49 - Step 6: Final answer
x = 4,899,004.86
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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.