Finding the Fourth Proportional to 4,278,355.34, 5,904,135.47 and 2,318,231.97
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Solution
The fourth proportional to 4,278,355.34, 5,904,135.47 and 2,318,231.97 is: 3,199,162.89
Step by Step Solution
- Step 1: Write the proportion equation
4,278,355.34 : 5,904,135.47 = 2,318,231.97 : x - Step 2: Convert to fraction form
4,278,355.34/5,904,135.47 = 2,318,231.97/x - Step 3: Cross multiply
4,278,355.34x = 5,904,135.47 × 2,318,231.97 - Step 4: Simplify right side
4,278,355.34x = 13,687,155,607,560.56 - Step 5: Solve for x
x = 13,687,155,607,560.56/4,278,355.34 - Step 6: Final answer
x = 3,199,162.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.