Finding the Fourth Proportional to 3,017,575.35, 4,163,939.06 and 1,728,470.07
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Solution
The fourth proportional to 3,017,575.35, 4,163,939.06 and 1,728,470.07 is: 2,385,108.31
Step by Step Solution
- Step 1: Write the proportion equation
3,017,575.35 : 4,163,939.06 = 1,728,470.07 : x - Step 2: Convert to fraction form
3,017,575.35/4,163,939.06 = 1,728,470.07/x - Step 3: Cross multiply
3,017,575.35x = 4,163,939.06 × 1,728,470.07 - Step 4: Simplify right side
3,017,575.35x = 7,197,244,029,871.58 - Step 5: Solve for x
x = 7,197,244,029,871.58/3,017,575.35 - Step 6: Final answer
x = 2,385,108.31
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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.