Finding the Fourth Proportional to 3,670,565.99, 5,061,431.79 and 2,293,406.62
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Solution
The fourth proportional to 3,670,565.99, 5,061,431.79 and 2,293,406.62 is: 3,162,433.59
Step by Step Solution
- Step 1: Write the proportion equation
3,670,565.99 : 5,061,431.79 = 2,293,406.62 : x - Step 2: Convert to fraction form
3,670,565.99/5,061,431.79 = 2,293,406.62/x - Step 3: Cross multiply
3,670,565.99x = 5,061,431.79 × 2,293,406.62 - Step 4: Simplify right side
3,670,565.99x = 11,607,921,161,210.87 - Step 5: Solve for x
x = 11,607,921,161,210.87/3,670,565.99 - Step 6: Final answer
x = 3,162,433.59
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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.