Finding the Fourth Proportional to 6,485,635.36, 9,728,854.21 and 2,168,074.08
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Solution
The fourth proportional to 6,485,635.36, 9,728,854.21 and 2,168,074.08 is: 3,252,245.23
Step by Step Solution
- Step 1: Write the proportion equation
6,485,635.36 : 9,728,854.21 = 2,168,074.08 : x - Step 2: Convert to fraction form
6,485,635.36/9,728,854.21 = 2,168,074.08/x - Step 3: Cross multiply
6,485,635.36x = 9,728,854.21 × 2,168,074.08 - Step 4: Simplify right side
6,485,635.36x = 21,092,876,643,509.97 - Step 5: Solve for x
x = 21,092,876,643,509.97/6,485,635.36 - Step 6: Final answer
x = 3,252,245.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.