Finding the Fourth Proportional to 3,721,543.62, 5,135,710.74 and 2,090,019.75
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Solution
The fourth proportional to 3,721,543.62, 5,135,710.74 and 2,090,019.75 is: 2,884,216.33
Step by Step Solution
- Step 1: Write the proportion equation
3,721,543.62 : 5,135,710.74 = 2,090,019.75 : x - Step 2: Convert to fraction form
3,721,543.62/5,135,710.74 = 2,090,019.75/x - Step 3: Cross multiply
3,721,543.62x = 5,135,710.74 × 2,090,019.75 - Step 4: Simplify right side
3,721,543.62x = 10,733,736,876,887.12 - Step 5: Solve for x
x = 10,733,736,876,887.12/3,721,543.62 - Step 6: Final answer
x = 2,884,216.33
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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.