Finding the Fourth Proportional to 3,972,864.09, 5,959,350.81 and 1,132,976.55
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Solution
The fourth proportional to 3,972,864.09, 5,959,350.81 and 1,132,976.55 is: 1,699,480.42
Step by Step Solution
- Step 1: Write the proportion equation
3,972,864.09 : 5,959,350.81 = 1,132,976.55 : x - Step 2: Convert to fraction form
3,972,864.09/5,959,350.81 = 1,132,976.55/x - Step 3: Cross multiply
3,972,864.09x = 5,959,350.81 × 1,132,976.55 - Step 4: Simplify right side
3,972,864.09x = 6,751,804,720,953.51 - Step 5: Solve for x
x = 6,751,804,720,953.51/3,972,864.09 - Step 6: Final answer
x = 1,699,480.42
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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.