Finding the Fourth Proportional to 5,915,605.38, 8,163,535.42 and 3,199,351.38
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Solution
The fourth proportional to 5,915,605.38, 8,163,535.42 and 3,199,351.38 is: 4,415,104.90
Step by Step Solution
- Step 1: Write the proportion equation
5,915,605.38 : 8,163,535.42 = 3,199,351.38 : x - Step 2: Convert to fraction form
5,915,605.38/8,163,535.42 = 3,199,351.38/x - Step 3: Cross multiply
5,915,605.38x = 8,163,535.42 × 3,199,351.38 - Step 4: Simplify right side
5,915,605.38x = 26,118,018,311,655.88 - Step 5: Solve for x
x = 26,118,018,311,655.88/5,915,605.38 - Step 6: Final answer
x = 4,415,104.90
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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.