Finding the Fourth Proportional to 3,972,516.14, 5,958,829.58 and 1,132,628.30
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Solution
The fourth proportional to 3,972,516.14, 5,958,829.58 and 1,132,628.30 is: 1,698,958.23
Step by Step Solution
- Step 1: Write the proportion equation
3,972,516.14 : 5,958,829.58 = 1,132,628.30 : x - Step 2: Convert to fraction form
3,972,516.14/5,958,829.58 = 1,132,628.30/x - Step 3: Cross multiply
3,972,516.14x = 5,958,829.58 × 1,132,628.30 - Step 4: Simplify right side
3,972,516.14x = 6,749,138,981,727.82 - Step 5: Solve for x
x = 6,749,138,981,727.82/3,972,516.14 - Step 6: Final answer
x = 1,698,958.23
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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.