Finding the Fourth Proportional to 5,157,230.28, 7,117,169.85 and 3,092,581.99
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Solution
The fourth proportional to 5,157,230.28, 7,117,169.85 and 3,092,581.99 is: 4,267,878.32
Step by Step Solution
- Step 1: Write the proportion equation
5,157,230.28 : 7,117,169.85 = 3,092,581.99 : x - Step 2: Convert to fraction form
5,157,230.28/7,117,169.85 = 3,092,581.99/x - Step 3: Cross multiply
5,157,230.28x = 7,117,169.85 × 3,092,581.99 - Step 4: Simplify right side
5,157,230.28x = 22,010,431,297,881 - Step 5: Solve for x
x = 22,010,431,297,881/5,157,230.28 - Step 6: Final answer
x = 4,267,878.32
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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.