Finding the Fourth Proportional to 2,089,257.18, 3,133,886.80 and 1,379,119.24
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Solution
The fourth proportional to 2,089,257.18, 3,133,886.80 and 1,379,119.24 is: 2,068,679.54
Step by Step Solution
- Step 1: Write the proportion equation
2,089,257.18 : 3,133,886.80 = 1,379,119.24 : x - Step 2: Convert to fraction form
2,089,257.18/3,133,886.80 = 1,379,119.24/x - Step 3: Cross multiply
2,089,257.18x = 3,133,886.80 × 1,379,119.24 - Step 4: Simplify right side
2,089,257.18x = 4,322,003,581,862.03 - Step 5: Solve for x
x = 4,322,003,581,862.03/2,089,257.18 - Step 6: Final answer
x = 2,068,679.54
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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.