Finding the Fourth Proportional to 4,668,021.56, 6,441,983.66 and 2,603,016.99
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Solution
The fourth proportional to 4,668,021.56, 6,441,983.66 and 2,603,016.99 is: 3,592,226.96
Step by Step Solution
- Step 1: Write the proportion equation
4,668,021.56 : 6,441,983.66 = 2,603,016.99 : x - Step 2: Convert to fraction form
4,668,021.56/6,441,983.66 = 2,603,016.99/x - Step 3: Cross multiply
4,668,021.56x = 6,441,983.66 × 2,603,016.99 - Step 4: Simplify right side
4,668,021.56x = 16,768,592,922,789.93 - Step 5: Solve for x
x = 16,768,592,922,789.93/4,668,021.56 - Step 6: Final answer
x = 3,592,226.96
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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.