Finding the Fourth Proportional to 4,761,343.60, 6,571,699.62 and 3,129,901.13
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Solution
The fourth proportional to 4,761,343.60, 6,571,699.62 and 3,129,901.13 is: 4,319,950.79
Step by Step Solution
- Step 1: Write the proportion equation
4,761,343.60 : 6,571,699.62 = 3,129,901.13 : x - Step 2: Convert to fraction form
4,761,343.60/6,571,699.62 = 3,129,901.13/x - Step 3: Cross multiply
4,761,343.60x = 6,571,699.62 × 3,129,901.13 - Step 4: Simplify right side
4,761,343.60x = 20,568,770,066,658.57 - Step 5: Solve for x
x = 20,568,770,066,658.57/4,761,343.60 - Step 6: Final answer
x = 4,319,950.79
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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.