Finding the Fourth Proportional to 3,972,478.97, 5,958,773.82 and 1,132,591.13
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Solution
The fourth proportional to 3,972,478.97, 5,958,773.82 and 1,132,591.13 is: 1,698,902.48
Step by Step Solution
- Step 1: Write the proportion equation
3,972,478.97 : 5,958,773.82 = 1,132,591.13 : x - Step 2: Convert to fraction form
3,972,478.97/5,958,773.82 = 1,132,591.13/x - Step 3: Cross multiply
3,972,478.97x = 5,958,773.82 × 1,132,591.13 - Step 4: Simplify right side
3,972,478.97x = 6,748,854,374,208.22 - Step 5: Solve for x
x = 6,748,854,374,208.22/3,972,478.97 - Step 6: Final answer
x = 1,698,902.48
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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.