Finding the Fourth Proportional to 5,480,763.63, 8,221,933.17 and 1,694,541.75
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Solution
The fourth proportional to 5,480,763.63, 8,221,933.17 and 1,694,541.75 is: 2,542,056.17
Step by Step Solution
- Step 1: Write the proportion equation
5,480,763.63 : 8,221,933.17 = 1,694,541.75 : x - Step 2: Convert to fraction form
5,480,763.63/8,221,933.17 = 1,694,541.75/x - Step 3: Cross multiply
5,480,763.63x = 8,221,933.17 × 1,694,541.75 - Step 4: Simplify right side
5,480,763.63x = 13,932,409,022,274.85 - Step 5: Solve for x
x = 13,932,409,022,274.85/5,480,763.63 - Step 6: Final answer
x = 2,542,056.17
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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.