Finding the Fourth Proportional to 2,006,905.98, 2,769,532.05 and 1,089,135.29
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Solution
The fourth proportional to 2,006,905.98, 2,769,532.05 and 1,089,135.29 is: 1,503,007.67
Step by Step Solution
- Step 1: Write the proportion equation
2,006,905.98 : 2,769,532.05 = 1,089,135.29 : x - Step 2: Convert to fraction form
2,006,905.98/2,769,532.05 = 1,089,135.29/x - Step 3: Cross multiply
2,006,905.98x = 2,769,532.05 × 1,089,135.29 - Step 4: Simplify right side
2,006,905.98x = 3,016,395,078,593.38 - Step 5: Solve for x
x = 3,016,395,078,593.38/2,006,905.98 - Step 6: Final answer
x = 1,503,007.67
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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.