Finding the Fourth Proportional to 4,793,983.74, 7,190,730.99 and 1,761,116.94
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Solution
The fourth proportional to 4,793,983.74, 7,190,730.99 and 1,761,116.94 is: 2,641,585.55
Step by Step Solution
- Step 1: Write the proportion equation
4,793,983.74 : 7,190,730.99 = 1,761,116.94 : x - Step 2: Convert to fraction form
4,793,983.74/7,190,730.99 = 1,761,116.94/x - Step 3: Cross multiply
4,793,983.74x = 7,190,730.99 × 1,761,116.94 - Step 4: Simplify right side
4,793,983.74x = 12,663,718,157,471.97 - Step 5: Solve for x
x = 12,663,718,157,471.97/4,793,983.74 - Step 6: Final answer
x = 2,641,585.55
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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.