Finding the Fourth Proportional to 4,929,906.86, 7,394,638.42 and 3,311,357.63
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Solution
The fourth proportional to 4,929,906.86, 7,394,638.42 and 3,311,357.63 is: 4,966,887.42
Step by Step Solution
- Step 1: Write the proportion equation
4,929,906.86 : 7,394,638.42 = 3,311,357.63 : x - Step 2: Convert to fraction form
4,929,906.86/7,394,638.42 = 3,311,357.63/x - Step 3: Cross multiply
4,929,906.86x = 7,394,638.42 × 3,311,357.63 - Step 4: Simplify right side
4,929,906.86x = 24,486,292,364,090.02 - Step 5: Solve for x
x = 24,486,292,364,090.02/4,929,906.86 - Step 6: Final answer
x = 4,966,887.42
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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.