Finding the Fourth Proportional to 4,180,372.82, 6,270,578.68 and 1,147,781.42
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Solution
The fourth proportional to 4,180,372.82, 6,270,578.68 and 1,147,781.42 is: 1,721,677.47
Step by Step Solution
- Step 1: Write the proportion equation
4,180,372.82 : 6,270,578.68 = 1,147,781.42 : x - Step 2: Convert to fraction form
4,180,372.82/6,270,578.68 = 1,147,781.42/x - Step 3: Cross multiply
4,180,372.82x = 6,270,578.68 × 1,147,781.42 - Step 4: Simplify right side
4,180,372.82x = 7,197,253,701,552.13 - Step 5: Solve for x
x = 7,197,253,701,552.13/4,180,372.82 - Step 6: Final answer
x = 1,721,677.47
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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.