Finding the Fourth Proportional to 3,432,170.61, 4,736,396.16 and 1,904,274.09
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Solution
The fourth proportional to 3,432,170.61, 4,736,396.16 and 1,904,274.09 is: 2,627,898.64
Step by Step Solution
- Step 1: Write the proportion equation
3,432,170.61 : 4,736,396.16 = 1,904,274.09 : x - Step 2: Convert to fraction form
3,432,170.61/4,736,396.16 = 1,904,274.09/x - Step 3: Cross multiply
3,432,170.61x = 4,736,396.16 × 1,904,274.09 - Step 4: Simplify right side
3,432,170.61x = 9,019,396,487,463.49 - Step 5: Solve for x
x = 9,019,396,487,463.49/3,432,170.61 - Step 6: Final answer
x = 2,627,898.64
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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.