Finding the Fourth Proportional to 7,246,375.25, 10,869,609.04 and 2,128,784.31
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Solution
The fourth proportional to 7,246,375.25, 10,869,609.04 and 2,128,784.31 is: 3,193,190.03
Step by Step Solution
- Step 1: Write the proportion equation
7,246,375.25 : 10,869,609.04 = 2,128,784.31 : x - Step 2: Convert to fraction form
7,246,375.25/10,869,609.04 = 2,128,784.31/x - Step 3: Cross multiply
7,246,375.25x = 10,869,609.04 × 2,128,784.31 - Step 4: Simplify right side
7,246,375.25x = 23,139,053,174,864.20 - Step 5: Solve for x
x = 23,139,053,174,864.20/7,246,375.25 - Step 6: Final answer
x = 3,193,190.03
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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.