Finding the Fourth Proportional to 2,084,617.78, 3,126,893.73 and 664,664.26
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Solution
The fourth proportional to 2,084,617.78, 3,126,893.73 and 664,664.26 is: 996,985.89
Step by Step Solution
- Step 1: Write the proportion equation
2,084,617.78 : 3,126,893.73 = 664,664.26 : x - Step 2: Convert to fraction form
2,084,617.78/3,126,893.73 = 664,664.26/x - Step 3: Cross multiply
2,084,617.78x = 3,126,893.73 × 664,664.26 - Step 4: Simplify right side
2,084,617.78x = 2,078,334,507,149.09 - Step 5: Solve for x
x = 2,078,334,507,149.09/2,084,617.78 - Step 6: Final answer
x = 996,985.89
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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.