Finding the Fourth Proportional to 7,980,231.62, 11,972,029.66 and 2,588,462.58
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Solution
The fourth proportional to 7,980,231.62, 11,972,029.66 and 2,588,462.58 is: 3,883,239.52
Step by Step Solution
- Step 1: Write the proportion equation
7,980,231.62 : 11,972,029.66 = 2,588,462.58 : x - Step 2: Convert to fraction form
7,980,231.62/11,972,029.66 = 2,588,462.58/x - Step 3: Cross multiply
7,980,231.62x = 11,972,029.66 × 2,588,462.58 - Step 4: Simplify right side
7,980,231.62x = 30,989,150,781,560.12 - Step 5: Solve for x
x = 30,989,150,781,560.12/7,980,231.62 - Step 6: Final answer
x = 3,883,239.52
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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.