Finding the Fourth Proportional to 1,794,090.42, 2,691,135.62 and 1,231,419.06
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Solution
The fourth proportional to 1,794,090.42, 2,691,135.62 and 1,231,419.06 is: 1,847,128.58
Step by Step Solution
- Step 1: Write the proportion equation
1,794,090.42 : 2,691,135.62 = 1,231,419.06 : x - Step 2: Convert to fraction form
1,794,090.42/2,691,135.62 = 1,231,419.06/x - Step 3: Cross multiply
1,794,090.42x = 2,691,135.62 × 1,231,419.06 - Step 4: Simplify right side
1,794,090.42x = 3,313,915,695,512.92 - Step 5: Solve for x
x = 3,313,915,695,512.92/1,794,090.42 - Step 6: Final answer
x = 1,847,128.58
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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.