Finding the Fourth Proportional to 7,100,785.99, 9,799,129.59 and 3,837,593.06
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Solution
The fourth proportional to 7,100,785.99, 9,799,129.59 and 3,837,593.06 is: 5,295,902.70
Step by Step Solution
- Step 1: Write the proportion equation
7,100,785.99 : 9,799,129.59 = 3,837,593.06 : x - Step 2: Convert to fraction form
7,100,785.99/9,799,129.59 = 3,837,593.06/x - Step 3: Cross multiply
7,100,785.99x = 9,799,129.59 × 3,837,593.06 - Step 4: Simplify right side
7,100,785.99x = 37,605,071,659,629 - Step 5: Solve for x
x = 37,605,071,659,629/7,100,785.99 - Step 6: Final answer
x = 5,295,902.70
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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.