Finding the Fourth Proportional to 3,845,911.36, 5,308,991.85 and 2,396,322.99
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Solution
The fourth proportional to 3,845,911.36, 5,308,991.85 and 2,396,322.99 is: 3,307,943.95
Step by Step Solution
- Step 1: Write the proportion equation
3,845,911.36 : 5,308,991.85 = 2,396,322.99 : x - Step 2: Convert to fraction form
3,845,911.36/5,308,991.85 = 2,396,322.99/x - Step 3: Cross multiply
3,845,911.36x = 5,308,991.85 × 2,396,322.99 - Step 4: Simplify right side
3,845,911.36x = 12,722,059,223,877.63 - Step 5: Solve for x
x = 12,722,059,223,877.63/3,845,911.36 - Step 6: Final answer
x = 3,307,943.95
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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.