Finding the Fourth Proportional to 2,090,796.46, 3,135,820.56 and 1,330,379.12
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Solution
The fourth proportional to 2,090,796.46, 3,135,820.56 and 1,330,379.12 is: 1,995,330.62
Step by Step Solution
- Step 1: Write the proportion equation
2,090,796.46 : 3,135,820.56 = 1,330,379.12 : x - Step 2: Convert to fraction form
2,090,796.46/3,135,820.56 = 1,330,379.12/x - Step 3: Cross multiply
2,090,796.46x = 3,135,820.56 × 1,330,379.12 - Step 4: Simplify right side
2,090,796.46x = 4,171,830,197,090.71 - Step 5: Solve for x
x = 4,171,830,197,090.71/2,090,796.46 - Step 6: Final answer
x = 1,995,330.62
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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.