Finding the Fourth Proportional to 3,934,624.84, 5,902,147.86 and 1,239,159.97
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Solution
The fourth proportional to 3,934,624.84, 5,902,147.86 and 1,239,159.97 is: 1,858,806.28
Step by Step Solution
- Step 1: Write the proportion equation
3,934,624.84 : 5,902,147.86 = 1,239,159.97 : x - Step 2: Convert to fraction form
3,934,624.84/5,902,147.86 = 1,239,159.97/x - Step 3: Cross multiply
3,934,624.84x = 5,902,147.86 × 1,239,159.97 - Step 4: Simplify right side
3,934,624.84x = 7,313,705,365,133.16 - Step 5: Solve for x
x = 7,313,705,365,133.16/3,934,624.84 - Step 6: Final answer
x = 1,858,806.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.