Finding the Fourth Proportional to 6,601,572.56, 9,902,497.08 and 2,113,835.60
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Solution
The fourth proportional to 6,601,572.56, 9,902,497.08 and 2,113,835.60 is: 3,170,797.66
Step by Step Solution
- Step 1: Write the proportion equation
6,601,572.56 : 9,902,497.08 = 2,113,835.60 : x - Step 2: Convert to fraction form
6,601,572.56/9,902,497.08 = 2,113,835.60/x - Step 3: Cross multiply
6,601,572.56x = 9,902,497.08 × 2,113,835.60 - Step 4: Simplify right side
6,601,572.56x = 20,932,250,856,600.05 - Step 5: Solve for x
x = 20,932,250,856,600.05/6,601,572.56 - Step 6: Final answer
x = 3,170,797.66
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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.