Finding the Fourth Proportional to 5,317,213.71, 7,337,717.60 and 2,902,765.71
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Solution
The fourth proportional to 5,317,213.71, 7,337,717.60 and 2,902,765.71 is: 4,005,796.30
Step by Step Solution
- Step 1: Write the proportion equation
5,317,213.71 : 7,337,717.60 = 2,902,765.71 : x - Step 2: Convert to fraction form
5,317,213.71/7,337,717.60 = 2,902,765.71/x - Step 3: Cross multiply
5,317,213.71x = 7,337,717.60 × 2,902,765.71 - Step 4: Simplify right side
5,317,213.71x = 21,299,675,024,429.67 - Step 5: Solve for x
x = 21,299,675,024,429.67/5,317,213.71 - Step 6: Final answer
x = 4,005,796.30
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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.