Finding the Fourth Proportional to 5,768,565.92, 7,959,736.53 and 3,320,703.99
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Solution
The fourth proportional to 5,768,565.92, 7,959,736.53 and 3,320,703.99 is: 4,582,062.38
Step by Step Solution
- Step 1: Write the proportion equation
5,768,565.92 : 7,959,736.53 = 3,320,703.99 : x - Step 2: Convert to fraction form
5,768,565.92/7,959,736.53 = 3,320,703.99/x - Step 3: Cross multiply
5,768,565.92x = 7,959,736.53 × 3,320,703.99 - Step 4: Simplify right side
5,768,565.92x = 26,431,928,854,519.76 - Step 5: Solve for x
x = 26,431,928,854,519.76/5,768,565.92 - Step 6: Final answer
x = 4,582,062.38
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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.