Finding the Fourth Proportional to 2,565,842.99, 3,540,872.68 and 1,388,441.86
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Solution
The fourth proportional to 2,565,842.99, 3,540,872.68 and 1,388,441.86 is: 1,916,054.83
Step by Step Solution
- Step 1: Write the proportion equation
2,565,842.99 : 3,540,872.68 = 1,388,441.86 : x - Step 2: Convert to fraction form
2,565,842.99/3,540,872.68 = 1,388,441.86/x - Step 3: Cross multiply
2,565,842.99x = 3,540,872.68 × 1,388,441.86 - Step 4: Simplify right side
2,565,842.99x = 4,916,295,837,519.10 - Step 5: Solve for x
x = 4,916,295,837,519.10/2,565,842.99 - Step 6: Final answer
x = 1,916,054.83
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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.