Finding the Fourth Proportional to 2,291,515.81, 3,437,251.84 and 1,393,205.56
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Solution
The fourth proportional to 2,291,515.81, 3,437,251.84 and 1,393,205.56 is: 2,089,795.04
Step by Step Solution
- Step 1: Write the proportion equation
2,291,515.81 : 3,437,251.84 = 1,393,205.56 : x - Step 2: Convert to fraction form
2,291,515.81/3,437,251.84 = 1,393,205.56/x - Step 3: Cross multiply
2,291,515.81x = 3,437,251.84 × 1,393,205.56 - Step 4: Simplify right side
2,291,515.81x = 4,788,798,374,608.23 - Step 5: Solve for x
x = 4,788,798,374,608.23/2,291,515.81 - Step 6: Final answer
x = 2,089,795.04
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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.