Finding the Fourth Proportional to 1,352,156.49, 2,029,227.09 and 1,089,093.20
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Solution
The fourth proportional to 1,352,156.49, 2,029,227.09 and 1,089,093.20 is: 1,634,439.08
Step by Step Solution
- Step 1: Write the proportion equation
1,352,156.49 : 2,029,227.09 = 1,089,093.20 : x - Step 2: Convert to fraction form
1,352,156.49/2,029,227.09 = 1,089,093.20/x - Step 3: Cross multiply
1,352,156.49x = 2,029,227.09 × 1,089,093.20 - Step 4: Simplify right side
1,352,156.49x = 2,210,017,410,744.55 - Step 5: Solve for x
x = 2,210,017,410,744.55/1,352,156.49 - Step 6: Final answer
x = 1,634,439.08
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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.