Finding the Fourth Proportional to 3,750,198.13, 5,625,559.64 and 1,856,431.09
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Solution
The fourth proportional to 3,750,198.13, 5,625,559.64 and 1,856,431.09 is: 2,784,776.55
Step by Step Solution
- Step 1: Write the proportion equation
3,750,198.13 : 5,625,559.64 = 1,856,431.09 : x - Step 2: Convert to fraction form
3,750,198.13/5,625,559.64 = 1,856,431.09/x - Step 3: Cross multiply
3,750,198.13x = 5,625,559.64 × 1,856,431.09 - Step 4: Simplify right side
3,750,198.13x = 10,443,463,814,345.21 - Step 5: Solve for x
x = 10,443,463,814,345.21/3,750,198.13 - Step 6: Final answer
x = 2,784,776.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.