Finding the Fourth Proportional to 6,513,427.68, 8,987,784.42 and 3,760,104.12
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Solution
The fourth proportional to 6,513,427.68, 8,987,784.42 and 3,760,104.12 is: 5,188,513.16
Step by Step Solution
- Step 1: Write the proportion equation
6,513,427.68 : 8,987,784.42 = 3,760,104.12 : x - Step 2: Convert to fraction form
6,513,427.68/8,987,784.42 = 3,760,104.12/x - Step 3: Cross multiply
6,513,427.68x = 8,987,784.42 × 3,760,104.12 - Step 4: Simplify right side
6,513,427.68x = 33,795,005,227,313.81 - Step 5: Solve for x
x = 33,795,005,227,313.81/6,513,427.68 - Step 6: Final answer
x = 5,188,513.16
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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.