Finding the Fourth Proportional to 4,987,835.36, 6,883,208.67 and 2,695,996.05
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Solution
The fourth proportional to 4,987,835.36, 6,883,208.67 and 2,695,996.05 is: 3,720,472.31
Step by Step Solution
- Step 1: Write the proportion equation
4,987,835.36 : 6,883,208.67 = 2,695,996.05 : x - Step 2: Convert to fraction form
4,987,835.36/6,883,208.67 = 2,695,996.05/x - Step 3: Cross multiply
4,987,835.36x = 6,883,208.67 × 2,695,996.05 - Step 4: Simplify right side
4,987,835.36x = 18,557,103,337,749.73 - Step 5: Solve for x
x = 18,557,103,337,749.73/4,987,835.36 - Step 6: Final answer
x = 3,720,472.31
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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.