Finding the Fourth Proportional to 3,284,564.55, 4,926,846.84 and 1,686,239.34
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Solution
The fourth proportional to 3,284,564.55, 4,926,846.84 and 1,686,239.34 is: 2,529,359.01
Step by Step Solution
- Step 1: Write the proportion equation
3,284,564.55 : 4,926,846.84 = 1,686,239.34 : x - Step 2: Convert to fraction form
3,284,564.55/4,926,846.84 = 1,686,239.34/x - Step 3: Cross multiply
3,284,564.55x = 4,926,846.84 × 1,686,239.34 - Step 4: Simplify right side
3,284,564.55x = 8,307,842,938,963.61 - Step 5: Solve for x
x = 8,307,842,938,963.61/3,284,564.55 - Step 6: Final answer
x = 2,529,359.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.