Finding the Fourth Proportional to 4,507,186.21, 6,219,938.62 and 2,442,201.23
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Solution
The fourth proportional to 4,507,186.21, 6,219,938.62 and 2,442,201.23 is: 3,370,249.44
Step by Step Solution
- Step 1: Write the proportion equation
4,507,186.21 : 6,219,938.62 = 2,442,201.23 : x - Step 2: Convert to fraction form
4,507,186.21/6,219,938.62 = 2,442,201.23/x - Step 3: Cross multiply
4,507,186.21x = 6,219,938.62 × 2,442,201.23 - Step 4: Simplify right side
4,507,186.21x = 15,190,341,769,943.85 - Step 5: Solve for x
x = 15,190,341,769,943.85/4,507,186.21 - Step 6: Final answer
x = 3,370,249.44
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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.