Finding the Fourth Proportional to 5,438,078.24, 7,493,476.56 and 4,206,903.84
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Solution
The fourth proportional to 5,438,078.24, 7,493,476.56 and 4,206,903.84 is: 5,796,962.44
Step by Step Solution
- Step 1: Write the proportion equation
5,438,078.24 : 7,493,476.56 = 4,206,903.84 : x - Step 2: Convert to fraction form
5,438,078.24/7,493,476.56 = 4,206,903.84/x - Step 3: Cross multiply
5,438,078.24x = 7,493,476.56 × 4,206,903.84 - Step 4: Simplify right side
5,438,078.24x = 31,524,335,315,213.99 - Step 5: Solve for x
x = 31,524,335,315,213.99/5,438,078.24 - Step 6: Final answer
x = 5,796,962.44
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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.