Finding the Fourth Proportional to 4,308,380.13, 6,462,734.22 and 1,612,421.49
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Solution
The fourth proportional to 4,308,380.13, 6,462,734.22 and 1,612,421.49 is: 2,418,693.62
Step by Step Solution
- Step 1: Write the proportion equation
4,308,380.13 : 6,462,734.22 = 1,612,421.49 : x - Step 2: Convert to fraction form
4,308,380.13/6,462,734.22 = 1,612,421.49/x - Step 3: Cross multiply
4,308,380.13x = 6,462,734.22 × 1,612,421.49 - Step 4: Simplify right side
4,308,380.13x = 10,420,651,540,486.39 - Step 5: Solve for x
x = 10,420,651,540,486.39/4,308,380.13 - Step 6: Final answer
x = 2,418,693.62
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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.