Finding the Fourth Proportional to 3,841,323.26, 5,301,015.21 and 2,122,431.53
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Solution
The fourth proportional to 3,841,323.26, 5,301,015.21 and 2,122,431.53 is: 2,928,949.49
Step by Step Solution
- Step 1: Write the proportion equation
3,841,323.26 : 5,301,015.21 = 2,122,431.53 : x - Step 2: Convert to fraction form
3,841,323.26/5,301,015.21 = 2,122,431.53/x - Step 3: Cross multiply
3,841,323.26x = 5,301,015.21 × 2,122,431.53 - Step 4: Simplify right side
3,841,323.26x = 11,251,041,796,208.49 - Step 5: Solve for x
x = 11,251,041,796,208.49/3,841,323.26 - Step 6: Final answer
x = 2,928,949.49
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1.5x scale
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.