Finding the Fourth Proportional to 4,664,051.64, 6,436,912.32 and 2,599,255.80
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Solution
The fourth proportional to 4,664,051.64, 6,436,912.32 and 2,599,255.80 is: 3,587,263.39
Step by Step Solution
- Step 1: Write the proportion equation
4,664,051.64 : 6,436,912.32 = 2,599,255.80 : x - Step 2: Convert to fraction form
4,664,051.64/6,436,912.32 = 2,599,255.80/x - Step 3: Cross multiply
4,664,051.64x = 6,436,912.32 × 2,599,255.80 - Step 4: Simplify right side
4,664,051.64x = 16,731,181,681,851.46 - Step 5: Solve for x
x = 16,731,181,681,851.46/4,664,051.64 - Step 6: Final answer
x = 3,587,263.39
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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.