Finding the Fourth Proportional to 5,613,751.29, 7,747,077.68 and 3,292,318.14
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Solution
The fourth proportional to 5,613,751.29, 7,747,077.68 and 3,292,318.14 is: 4,543,458.21
Step by Step Solution
- Step 1: Write the proportion equation
5,613,751.29 : 7,747,077.68 = 3,292,318.14 : x - Step 2: Convert to fraction form
5,613,751.29/7,747,077.68 = 3,292,318.14/x - Step 3: Cross multiply
5,613,751.29x = 7,747,077.68 × 3,292,318.14 - Step 4: Simplify right side
5,613,751.29x = 25,505,844,377,853.11 - Step 5: Solve for x
x = 25,505,844,377,853.11/5,613,751.29 - Step 6: Final answer
x = 4,543,458.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.