Finding the Fourth Proportional to 4,686,469.84, 6,467,815.47 and 2,699,673.99
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Solution
The fourth proportional to 4,686,469.84, 6,467,815.47 and 2,699,673.99 is: 3,725,830.69
Step by Step Solution
- Step 1: Write the proportion equation
4,686,469.84 : 6,467,815.47 = 2,699,673.99 : x - Step 2: Convert to fraction form
4,686,469.84/6,467,815.47 = 2,699,673.99/x - Step 3: Cross multiply
4,686,469.84x = 6,467,815.47 × 2,699,673.99 - Step 4: Simplify right side
4,686,469.84x = 17,460,993,164,139.55 - Step 5: Solve for x
x = 17,460,993,164,139.55/4,686,469.84 - Step 6: Final answer
x = 3,725,830.69
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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.