Finding the Fourth Proportional to 3,285,274.43, 4,533,630.45 and 1,834,991.03
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Solution
The fourth proportional to 3,285,274.43, 4,533,630.45 and 1,834,991.03 is: 2,532,260.66
Step by Step Solution
- Step 1: Write the proportion equation
3,285,274.43 : 4,533,630.45 = 1,834,991.03 : x - Step 2: Convert to fraction form
3,285,274.43/4,533,630.45 = 1,834,991.03/x - Step 3: Cross multiply
3,285,274.43x = 4,533,630.45 × 1,834,991.03 - Step 4: Simplify right side
3,285,274.43x = 8,319,171,186,416.71 - Step 5: Solve for x
x = 8,319,171,186,416.71/3,285,274.43 - Step 6: Final answer
x = 2,532,260.66
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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.