Finding the Fourth Proportional to 3,692,936.24, 5,097,102.28 and 2,165,535.44
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Solution
The fourth proportional to 3,692,936.24, 5,097,102.28 and 2,165,535.44 is: 2,988,937.50
Step by Step Solution
- Step 1: Write the proportion equation
3,692,936.24 : 5,097,102.28 = 2,165,535.44 : x - Step 2: Convert to fraction form
3,692,936.24/5,097,102.28 = 2,165,535.44/x - Step 3: Cross multiply
3,692,936.24x = 5,097,102.28 × 2,165,535.44 - Step 4: Simplify right side
3,692,936.24x = 11,037,955,628,644.80 - Step 5: Solve for x
x = 11,037,955,628,644.80/3,692,936.24 - Step 6: Final answer
x = 2,988,937.50
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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.