Finding the Fourth Proportional to 3,112,424.46, 4,295,149.86 and 1,716,954.62
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Solution
The fourth proportional to 3,112,424.46, 4,295,149.86 and 1,716,954.62 is: 2,369,399.63
Step by Step Solution
- Step 1: Write the proportion equation
3,112,424.46 : 4,295,149.86 = 1,716,954.62 : x - Step 2: Convert to fraction form
3,112,424.46/4,295,149.86 = 1,716,954.62/x - Step 3: Cross multiply
3,112,424.46x = 4,295,149.86 × 1,716,954.62 - Step 4: Simplify right side
3,112,424.46x = 7,374,577,374,243.61 - Step 5: Solve for x
x = 7,374,577,374,243.61/3,112,424.46 - Step 6: Final answer
x = 2,369,399.63
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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.